Q: What is the sum of all factors of the number 1,215,153 excluding 1,215,153?
A: 540,081
The factors of the number 1,215,153 are: 1, 3, 9, 135017, 405051, 1215153.
If you add them up, you will get the total of 1,215,693. Now subtract 1,215,153 to get 540,081