Q: What is the sum of all factors of the number 135,423 excluding 135,423?
A: 65,505
The factors of the number 135,423 are: 1, 3, 9, 41, 123, 367, 369, 1101, 3303, 15047, 45141, 135423.
If you add them up, you will get the total of 135,488. Now subtract 135,423 to get 65,505