Q: What is the sum of all factors of the number 81,121,223 excluding 81,121,223?
A: 66,817
The factors of the number 81,121,223 are: 1, 1237, 65579, 81121223.
If you add them up, you will get the total of 81,121,289. Now subtract 81,121,223 to get 66,817