Q: What is the sum of all factors of the number 200,403 excluding 200,403?
A: 130,525
The factors of the number 200,403 are: 1, 3, 7, 9, 21, 63, 3181, 9543, 22267, 28629, 66801, 200403.
If you add them up, you will get the total of 200,533. Now subtract 200,403 to get 130,525