Q: What is the sum of all factors of the number 172,287 excluding 172,287?
A: 86,153
The factors of the number 172,287 are: 1, 3, 9, 27, 81, 243, 709, 2127, 6381, 19143, 57429, 172287.
If you add them up, you will get the total of 172,373. Now subtract 172,287 to get 86,153