In **G. Robin, Grandes valeurs de la fonction somme des diviseurs et hypothèse de Riemann, J.
Math. Pures Appl. 63 (1984), 187–213**

A results is:

If the Riemann hypothesis is True and $n ≥ 5041$

$\frac{\sigma(n)}{n} < e^\gamma \ln \ln (n)$

We also know that $e^\gamma < e$ , Now my question here is :

Question:Without using the Riemann hypothesis, is it possible to show that: $\frac{\sigma(n)}{n} < e \ln \ln (n)$ ?