Q: What is the sum of all factors of the number 248,409 excluding 248,409?
A: 161,767
The factors of the number 248,409 are: 1, 3, 7, 9, 21, 63, 3943, 11829, 27601, 35487, 82803, 248409.
If you add them up, you will get the total of 248,570. Now subtract 248,409 to get 161,767