Q: What is the sum of all factors of the number 29,991 excluding 29,991?
A: 13,129
The factors of the number 29,991 are: 1, 3, 13, 39, 769, 2307, 9997, 29991.
If you add them up, you will get the total of 30,004. Now subtract 29,991 to get 13,129