Q: What is the sum of all factors of the number 131,521 excluding 131,521?
A: 13,183
The factors of the number 131,521 are: 1, 13, 67, 151, 871, 1963, 10117, 131521.
If you add them up, you will get the total of 131,534. Now subtract 131,521 to get 13,183