Q: What is the sum of all factors of the number 27,639 excluding 27,639?
A: 13,857
The factors of the number 27,639 are: 1, 3, 9, 37, 83, 111, 249, 333, 747, 3071, 9213, 27639.
If you add them up, you will get the total of 27,652. Now subtract 27,639 to get 13,857