Q: What is the sum of all factors of the number 161,955 excluding 161,955?

 A: 128,205

Why is 128,205 the sum of all factors of 161,955, excluding 161,955?

The factors of the number 161,955 are: 1, 3, 5, 9, 15, 45, 59, 61, 177, 183, 295, 305, 531, 549, 885, 915, 2655, 2745, 3599, 10797, 17995, 32391, 53985, 161955.

If you add them up, you will get the total of 162,083. Now subtract 161,955 to get 128,205


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