Divisor Sum of 30,555

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {30 \, 555} = 61 \, 152$

where $\sigma_1$ denotes the divisor sum function.

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

Hence: