Q: What is the sum of all factors of the number 158,991 excluding 158,991?
A: 89,073
The factors of the number 158,991 are: 1, 3, 7, 21, 67, 113, 201, 339, 469, 791, 1407, 2373, 7571, 22713, 52997, 158991.
If you add them up, you will get the total of 159,080. Now subtract 158,991 to get 89,073