Q: What is the sum of all factors of the number 11,661 excluding 11,661?
A: 5,907
The factors of the number 11,661 are: 1, 3, 13, 23, 39, 69, 169, 299, 507, 897, 3887, 11661.
If you add them up, you will get the total of 11,666. Now subtract 11,661 to get 5,907