Q: What is the sum of all factors of the number 801,423 excluding 801,423?
A: 521,665
The factors of the number 801,423 are: 1, 3, 7, 9, 21, 63, 12721, 38163, 89047, 114489, 267141, 801423.
If you add them up, you will get the total of 801,944. Now subtract 801,423 to get 521,665