Q: What is the sum of all factors of the number 4,203,045 excluding 4,203,045?

A: 4,887,387

Why is 4,887,387 the sum of all factors of 4,203,045, excluding 4,203,045?

The factors of the number 4,203,045 are: 1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 1155, 1213, 3465, 3639, 6065, 8491, 10917, 13343, 18195, 25473, 40029, 42455, 54585, 66715, 76419, 93401, 120087, 127365, 200145, 280203, 382095, 467005, 600435, 840609, 1401015, 4203045.

If you add them up, you will get the total of 4,203,049. Now subtract 4,203,045 to get 4,887,387