Q: What is the sum of all factors of the number 81,669 excluding 81,669?
A: 42,811
The factors of the number 81,669 are: 1, 3, 7, 21, 3889, 11667, 27223, 81669.
If you add them up, you will get the total of 81,711. Now subtract 81,669 to get 42,811