Q: What is the sum of all factors of the number 27,999 excluding 27,999?
A: 16,641
The factors of the number 27,999 are: 1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 1037, 1647, 3111, 9333, 27999.
If you add them up, you will get the total of 28,015. Now subtract 27,999 to get 16,641