Q: What is the sum of all factors of the number 400,136,121 excluding 400,136,121?

 A: 320,456,583

Why is 320,456,583 the sum of all factors of 400,136,121, excluding 400,136,121?

The factors of the number 400,136,121 are: 1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 577397, 1732191, 4041779, 5196573, 6351367, 12125337, 19054101, 36376011, 44459569, 57162303, 133378707, 400136121.

If you add them up, you will get the total of 400,136,441. Now subtract 400,136,121 to get 320,456,583


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