Q: What is the sum of all factors of the number 121,000,999 excluding 121,000,999?

Why is 24,247,769 the sum of all factors of 121,000,999, excluding 121,000,999?

The factors of the number 121,000,999 are: 1, 7, 23, 157, 161, 1099, 3611, 4787, 25277, 33509, 110101, 751559, 770707, 5260913, 17285857, 121000999.

If you add them up, you will get the total of 121,001,023. Now subtract 121,000,999 to get 24,247,769

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