Q: What is the sum of all factors of the number 142,209 excluding 142,209?
A: 78,591
The factors of the number 142,209 are: 1, 3, 9, 23, 27, 69, 207, 229, 621, 687, 2061, 5267, 6183, 15801, 47403, 142209.
If you add them up, you will get the total of 142,287. Now subtract 142,209 to get 78,591