Q: What is the sum of all factors of the number 133,991 excluding 133,991?
A: 23,593
The factors of the number 133,991 are: 1, 11, 13, 143, 937, 10307, 12181, 133991.
If you add them up, you will get the total of 134,014. Now subtract 133,991 to get 23,593