Q: What is the sum of all factors of the number 771,342,747 excluding 771,342,747?

 A: 420,140,133

Why is 420,140,133 the sum of all factors of 771,342,747, excluding 771,342,747?

The factors of the number 771,342,747 are: 1, 3, 7, 21, 73, 219, 511, 1533, 503159, 1509477, 3522113, 10566339, 36730607, 110191821, 257114249, 771342747.

If you add them up, you will get the total of 771,343,167. Now subtract 771,342,747 to get 420,140,133


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