Q: What is the sum of all factors of the number 401,289 excluding 401,289?
A: 219,639
The factors of the number 401,289 are: 1, 3, 7, 21, 97, 197, 291, 591, 679, 1379, 2037, 4137, 19109, 57327, 133763, 401289.
If you add them up, you will get the total of 401,508. Now subtract 401,289 to get 219,639