Q: What is the sum of all factors of the number 171,981 excluding 171,981?
A: 80,271
The factors of the number 171,981 are: 1, 3, 9, 97, 197, 291, 591, 873, 1773, 19109, 57327, 171981.
If you add them up, you will get the total of 172,061. Now subtract 171,981 to get 80,271