Divisor Sum of 30,555

Example of Sigma Function of Integer

 * $\sigma \left({30 \, 555}\right) = 61 \, 152$

where $\sigma$ denotes the $\sigma$ function.

Proof
We have that:
 * $30 \, 555 = 3^2 \times 5 \times 7 \times 97$

Hence: