Q: What is the sum of all factors of the number 13,563 excluding 13,563?
A: 7,965
The factors of the number 13,563 are: 1, 3, 9, 11, 33, 99, 137, 411, 1233, 1507, 4521, 13563.
If you add them up, you will get the total of 13,570. Now subtract 13,563 to get 7,965