Q: What is the sum of all factors of the number 309,729 excluding 309,729?
A: 183,247
The factors of the number 309,729 are: 1, 3, 7, 21, 43, 49, 129, 147, 301, 343, 903, 1029, 2107, 2401, 6321, 7203, 14749, 44247, 103243, 309729.
If you add them up, you will get the total of 309,912. Now subtract 309,729 to get 183,247