Q: What is the sum of all factors of the number 665,540,121 excluding 665,540,121?
A: 260,428,839
The factors of the number 665,540,121 are: 1, 3, 23, 69, 9645509, 28936527, 221846707, 665540121.
If you add them up, you will get the total of 665,540,381. Now subtract 665,540,121 to get 260,428,839