Q: What is the sum of all factors of the number 261,129 excluding 261,129?
A: 129,975
The factors of the number 261,129 are: 1, 3, 11, 33, 41, 123, 193, 451, 579, 1353, 2123, 6369, 7913, 23739, 87043, 261129.
If you add them up, you will get the total of 261,258. Now subtract 261,129 to get 129,975