Q: What is the sum of all factors of the number 121,220,115 excluding 121,220,115?

A: 87,534,381

Why is 87,534,381 the sum of all factors of 121,220,115, excluding 121,220,115?

The factors of the number 121,220,115 are: 1, 3, 5, 15, 17, 51, 61, 85, 183, 255, 305, 915, 1037, 3111, 5185, 7793, 15555, 23379, 38965, 116895, 132481, 397443, 475373, 662405, 1426119, 1987215, 2376865, 7130595, 8081341, 24244023, 40406705, 121220115.

If you add them up, you will get the total of 121,220,202. Now subtract 121,220,115 to get 87,534,381