Q: What is the sum of all factors of the number 430,389 excluding 430,389?
A: 257,571
The factors of the number 430,389 are: 1, 3, 9, 17, 29, 51, 87, 97, 153, 261, 291, 493, 873, 1479, 1649, 2813, 4437, 4947, 8439, 14841, 25317, 47821, 143463, 430389.
If you add them up, you will get the total of 430,646. Now subtract 430,389 to get 257,571