Q: What is the sum of all factors of the number 30,855,123 excluding 30,855,123?
A: 18,265,949
The factors of the number 30,855,123 are: 1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6133, 18399, 55197, 79729, 239187, 263719, 717561, 791157, 2373471, 3428347, 10285041, 30855123.
If you add them up, you will get the total of 30,855,141. Now subtract 30,855,123 to get 18,265,949