Q: What is the sum of all factors of the number 212,805 excluding 212,805?
A: 156,135
The factors of the number 212,805 are: 1, 3, 5, 9, 15, 45, 4729, 14187, 23645, 42561, 70935, 212805.
If you add them up, you will get the total of 212,961. Now subtract 212,805 to get 156,135