Is 931 a deficient number and what is its deficiency?

Is 931 a deficient number?

Here we will explain and calculate if 931 is a deficient number and its deficiency if applicable.

931 is a deficient number if the sum of its proper divisors is less than 931.

The sum of its proper divisors is calculated as follows: 1 + 7 + 19 + 49 + 133 = 209.

209 is less than 931. Therefore, 931 is a deficient number.

The deficiency of 931 is 931 minus the sum of its proper divisors. Thus, the deficiency of 931 is 931 - 209 = 722

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