Q: What is the sum of all factors of the number 86,415 excluding 86,415?
A: 71,793
The factors of the number 86,415 are: 1, 3, 5, 7, 15, 21, 35, 105, 823, 2469, 4115, 5761, 12345, 17283, 28805, 86415.
If you add them up, you will get the total of 86,486. Now subtract 86,415 to get 71,793