Q: What is the sum of all factors of the number 111,101,109 excluding 111,101,109?

A: 69,610,443

Why is 69,610,443 the sum of all factors of 111,101,109, excluding 111,101,109?

The factors of the number 111,101,109 are: 1, 3, 7, 21, 23, 69, 73, 137, 161, 219, 411, 483, 511, 529, 959, 1533, 1587, 1679, 2877, 3151, 3703, 5037, 9453, 10001, 11109, 11753, 22057, 30003, 35259, 38617, 66171, 70007, 72473, 115851, 210021, 217419, 230023, 270319, 507311, 690069, 810957, 1521933, 1610161, 4830483, 5290529, 15871587, 37033703, 111101109.

If you add them up, you will get the total of 111,101,178. Now subtract 111,101,109 to get 69,610,443