Q: What is the sum of all factors of the number 133,611,309 excluding 133,611,309?

A: 80,366,931

Why is 80,366,931 the sum of all factors of 133,611,309, excluding 133,611,309?

The factors of the number 133,611,309 are: 1, 3, 9, 13, 27, 39, 117, 347, 351, 1041, 1097, 3123, 3291, 4511, 9369, 9873, 13533, 14261, 29619, 40599, 42783, 121797, 128349, 380659, 385047, 1141977, 3425931, 4948567, 10277793, 14845701, 44537103, 133611309.

If you add them up, you will get the total of 133,611,389. Now subtract 133,611,309 to get 80,366,931