Q: What is the sum of all factors of the number 87,639 excluding 87,639?
A: 30,633
The factors of the number 87,639 are: 1, 3, 131, 223, 393, 669, 29213, 87639.
If you add them up, you will get the total of 87,669. Now subtract 87,639 to get 30,633