Is 731 a deficient number and what is its deficiency?

Is 731 a deficient number?

Here we will explain and calculate if 731 is a deficient number and its deficiency if applicable.

731 is a deficient number if the sum of its proper divisors is less than 731.

The sum of its proper divisors is calculated as follows: 1 + 17 + 43 = 61.

61 is less than 731. Therefore, 731 is a deficient number.

The deficiency of 731 is 731 minus the sum of its proper divisors. Thus, the deficiency of 731 is 731 - 61 = 670

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