Q: What is the sum of all factors of the number 2,145,309 excluding 2,145,309?
A: 919,971
The factors of the number 2,145,309 are: 1, 3, 19, 57, 61, 183, 617, 1159, 1851, 3477, 11723, 35169, 37637, 112911, 715103, 2145309.
If you add them up, you will get the total of 2,146,228. Now subtract 2,145,309 to get 919,971