Q: What is the sum of all factors of the number 172,539 excluding 172,539?
A: 90,061
The factors of the number 172,539 are: 1, 3, 9, 19, 57, 171, 1009, 3027, 9081, 19171, 57513, 172539.
If you add them up, you will get the total of 172,629. Now subtract 172,539 to get 90,061