Q: What is the sum of all factors of the number 243,211,305 excluding 243,211,305?

A: 169,463,895

Why is 169,463,895 the sum of all factors of 243,211,305, excluding 243,211,305?

The factors of the number 243,211,305 are: 1, 3, 5, 15, 19, 57, 95, 137, 285, 411, 685, 2055, 2603, 6229, 7809, 13015, 18687, 31145, 39045, 93435, 118351, 355053, 591755, 853373, 1775265, 2560119, 4266865, 12800595, 16214087, 48642261, 81070435, 243211305.

If you add them up, you will get the total of 243,211,474. Now subtract 243,211,305 to get 169,463,895