Q: What is the sum of all factors of the number 313,131,021 excluding 313,131,021?

 A: 177,280,563

Why is 177,280,563 the sum of all factors of 313,131,021, excluding 313,131,021?

The factors of the number 313,131,021 are: 1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 15141, 20681, 62043, 144767, 434301, 1013369, 2130143, 3040107, 6390429, 14911001, 44733003, 104377007, 313131021.

If you add them up, you will get the total of 313,131,198. Now subtract 313,131,021 to get 177,280,563


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