Q: What is the sum of all factors of the number 131,999 excluding 131,999?
A: 21,121
The factors of the number 131,999 are: 1, 7, 109, 173, 763, 1211, 18857, 131999.
If you add them up, you will get the total of 132,020. Now subtract 131,999 to get 21,121