Is 1317 a deficient number and what is its deficiency?

Is 1317 a deficient number?

Here we will explain and calculate if 1317 is a deficient number and its deficiency if applicable.

1317 is a deficient number if the sum of its proper divisors is less than 1317.

The sum of its proper divisors is calculated as follows: 1 + 3 + 439 = 443.

443 is less than 1317. Therefore, 1317 is a deficient number.

The deficiency of 1317 is 1317 minus the sum of its proper divisors. Thus, the deficiency of 1317 is 1317 - 443 = 874

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