Q: What is the sum of all factors of the number 1,350,123 excluding 1,350,123?
A: 640,533
The factors of the number 1,350,123 are: 1, 3, 17, 23, 51, 69, 391, 1151, 1173, 3453, 19567, 26473, 58701, 79419, 450041, 1350123.
If you add them up, you will get the total of 1,350,763. Now subtract 1,350,123 to get 640,533