Q: What is the sum of all factors of the number 201,789 excluding 201,789?
A: 131,427
The factors of the number 201,789 are: 1, 3, 7, 9, 21, 63, 3203, 9609, 22421, 28827, 67263, 201789.
If you add them up, you will get the total of 201,920. Now subtract 201,789 to get 131,427