Divisor Sum of 16,065

Example of Sigma Function of Integer

 * $\map \sigma {16 \, 065} = 34 \, 560$

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

Proof
We have that:
 * $16 \, 065 = 3^3 \times 5 \times 7 \times 17$

Hence: