Q: What is the sum of all factors of the number 387,153 excluding 387,153?
A: 231,087
The factors of the number 387,153 are: 1, 3, 9, 13, 27, 39, 117, 351, 1103, 3309, 9927, 14339, 29781, 43017, 129051, 387153.
If you add them up, you will get the total of 387,384. Now subtract 387,153 to get 231,087