Q: What is the sum of all factors of the number 1,215,345 excluding 1,215,345?
A: 729,231
The factors of the number 1,215,345 are: 1, 3, 5, 15, 81023, 243069, 405115, 1215345.
If you add them up, you will get the total of 1,216,074. Now subtract 1,215,345 to get 729,231