Q: What is the sum of all factors of the number 645,213 excluding 645,213?
A: 218,787
The factors of the number 645,213 are: 1, 3, 449, 479, 1347, 1437, 215071, 645213.
If you add them up, you will get the total of 645,431. Now subtract 645,213 to get 218,787