Q: What is the sum of all factors of the number 81,121,221 excluding 81,121,221?
A: 36,145,851
The factors of the number 81,121,221 are: 1, 3, 9, 1667, 5001, 5407, 15003, 16221, 48663, 9013469, 27040407, 81121221.
If you add them up, you will get the total of 81,121,257. Now subtract 81,121,221 to get 36,145,851