Q: What is the sum of all factors of the number 122,781,123 excluding 122,781,123?

Why is 69,817,437 the sum of all factors of 122,781,123, excluding 122,781,123?

The factors of the number 122,781,123 are: 1, 3, 9, 17, 27, 51, 153, 459, 267497, 802491, 2407473, 4547449, 7222419, 13642347, 40927041, 122781123.

If you add them up, you will get the total of 122,781,192. Now subtract 122,781,123 to get 69,817,437

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