Q: What is the sum of all factors of the number 121,102,215 excluding 121,102,215?

A: 90,529,401

Why is 90,529,401 the sum of all factors of 121,102,215, excluding 121,102,215?

The factors of the number 121,102,215 are: 1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2769, 4615, 8747, 13845, 26241, 43735, 113711, 131205, 341133, 568555, 621037, 1705665, 1863111, 3105185, 8073481, 9315555, 24220443, 40367405, 121102215.

If you add them up, you will get the total of 121,102,305. Now subtract 121,102,215 to get 90,529,401