Q: What is the sum of all factors of the number 213,012,309 excluding 213,012,309?
A: 71,004,107
The factors of the number 213,012,309 are: 1, 3, 71004103, 213012309.
If you add them up, you will get the total of 213,012,380. Now subtract 213,012,309 to get 71,004,107