Q: What is the sum of all factors of the number 170,391 excluding 170,391?
A: 89,673
The factors of the number 170,391 are: 1, 3, 13, 17, 39, 51, 221, 257, 663, 771, 3341, 4369, 10023, 13107, 56797, 170391.
If you add them up, you will get the total of 170,480. Now subtract 170,391 to get 89,673