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I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example $\varphi(x)=cx-1$ and $\varphi(x)=\sigma(x)-1$.)
$\sigma(x)$ is the sum of divisors of $x$.
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example $\varphi(x)=cx-1$ and $\varphi(x)=\sigma(x)-1$.)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example $\varphi(x)=cx-1$ and $\varphi(x)=\sigma(x)-1$.)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example phi(x)=cx-1$\varphi(x)=cx-1$ and phi(x)=\segma(x)-1$\varphi(x)=\sigma(x)-1$.)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example phi(x)=cx-1 and phi(x)=\segma(x)-1)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example $\varphi(x)=cx-1$ and $\varphi(x)=\sigma(x)-1$.)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example phi(x)=cx-1 and phi(x)=\segma(x)-1)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example phi(x)=cx-1)
I want to know is the diophantine equations that contain arithmetic functions are an interesting topic to research? (For example phi(x)=cx-1 and phi(x)=\segma(x)-1)
