Q: What is the sum of all factors of the number 120,121,029 excluding 120,121,029?

A: 84,132,411

Why is 84,132,411 the sum of all factors of 120,121,029, excluding 120,121,029?

The factors of the number 120,121,029 are: 1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 1799, 2313, 2473, 5397, 6939, 7419, 16191, 17311, 22257, 48573, 51933, 66771, 155799, 467397, 635561, 1906683, 4448927, 5720049, 13346781, 17160147, 40040343, 120121029.

If you add them up, you will get the total of 120,121,113. Now subtract 120,121,029 to get 84,132,411