Q: What is the sum of all factors of the number 13,377 excluding 13,377?
A: 9,023
The factors of the number 13,377 are: 1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377.
If you add them up, you will get the total of 13,386. Now subtract 13,377 to get 9,023