Divisor Sum of 11,025

Example of Sigma Function of Integer

 * $\sigma \left({11 \, 025}\right) = 22 \, 971$

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

Proof
We have that:
 * $11 \, 025 = 3^2 \times 5^2 \times 7^2$

Hence: