Q: What is the sum of all factors of the number 191,835 excluding 191,835?

A: 218,565

Why is 218,565 the sum of all factors of 191,835, excluding 191,835?

The factors of the number 191,835 are: 1, 3, 5, 7, 9, 15, 21, 27, 29, 35, 45, 49, 63, 87, 105, 135, 145, 147, 189, 203, 245, 261, 315, 435, 441, 609, 735, 783, 945, 1015, 1305, 1323, 1421, 1827, 2205, 3045, 3915, 4263, 5481, 6615, 7105, 9135, 12789, 21315, 27405, 38367, 63945, 191835.

If you add them up, you will get the total of 192,053. Now subtract 191,835 to get 218,565