Q: What is the sum of all factors of the number 309,681 excluding 309,681?
A: 161,439
The factors of the number 309,681 are: 1, 3, 9, 19, 57, 171, 1811, 5433, 16299, 34409, 103227, 309681.
If you add them up, you will get the total of 309,842. Now subtract 309,681 to get 161,439