Q: What is the sum of all factors of the number 387,685,137 excluding 387,685,137?

A: 225,582,063

Why is 225,582,063 the sum of all factors of 387,685,137, excluding 387,685,137?

The factors of the number 387,685,137 are: 1, 3, 7, 21, 29, 87, 203, 337, 609, 1011, 1889, 2359, 5667, 7077, 9773, 13223, 29319, 39669, 54781, 68411, 164343, 205233, 383467, 636593, 1150401, 1909779, 4456151, 13368453, 18461197, 55383591, 129228379, 387685137.

If you add them up, you will get the total of 387,685,362. Now subtract 387,685,137 to get 225,582,063