Divisor Sum of 33,075

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {33 \, 075} = 70 \, 680$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $33 \, 075 = 3^3 \times 5^2 \times 7^2$

Hence: