Is 3591 a deficient number and what is its deficiency?

Is 3591 a deficient number?

Here we will explain and calculate if 3591 is a deficient number and its deficiency if applicable.

3591 is a deficient number if the sum of its proper divisors is less than 3591.

The sum of its proper divisors is calculated as follows: 1 + 3 + 7 + 9 + 19 + 21 + 27 + 57 + 63 + 133 + 171 + 189 + 399 + 513 + 1197 = 2809.

2809 is less than 3591. Therefore, 3591 is a deficient number.

The deficiency of 3591 is 3591 minus the sum of its proper divisors. Thus, the deficiency of 3591 is 3591 - 2809 = 782

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