Q: What is the sum of all factors of the number 1,215,901 excluding 1,215,901?
A: 2,303
The factors of the number 1,215,901 are: 1, 821, 1481, 1215901.
If you add them up, you will get the total of 1,215,903. Now subtract 1,215,901 to get 2,303