Q: What is the sum of all factors of the number 1,209,423 excluding 1,209,423?
A: 403,145
The factors of the number 1,209,423 are: 1, 3, 403141, 1209423.
If you add them up, you will get the total of 1,209,826. Now subtract 1,209,423 to get 403,145