Q: What is the sum of all factors of the number 151,209 excluding 151,209?
A: 72,027
The factors of the number 151,209 are: 1, 3, 9, 53, 159, 317, 477, 951, 2853, 16801, 50403, 151209.
If you add them up, you will get the total of 151,281. Now subtract 151,209 to get 72,027