Divisor Sum of 31,185

Example of Sigma Function of Integer

 * $\sigma \left({31 \, 185}\right) = 69 \, 696$

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

Proof
We have that:
 * $31 \, 185 = 3^4 \times 5 \times 7 \times 11$

Hence: