Q: What is the sum of all factors of the number 303,080,421 excluding 303,080,421?

A: 178,910,075

Why is 178,910,075 the sum of all factors of 303,080,421, excluding 303,080,421?

The factors of the number 303,080,421 are: 1, 3, 7, 21, 29, 87, 131, 203, 393, 609, 841, 917, 2523, 2751, 3799, 5887, 11397, 17161, 17661, 26593, 51483, 79779, 110171, 120127, 330513, 360381, 497669, 771197, 1493007, 2313591, 3483683, 10451049, 14432401, 43297203, 101026807, 303080421.

If you add them up, you will get the total of 303,080,599. Now subtract 303,080,421 to get 178,910,075