Is 621 an abundant number and what is its abundance?

Is 621 an abundant number?

Here we will explain and calculate if 621 is an abundant number and its abundance if applicable.

621 is an abundant number if the sum of its proper divisors is greater than 621.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 23 + 27 + 69 + 207 = 339.

339 is not greater than 621. Therefore, 621 is not an abundant number.

The abundance of 621 is the sum of its proper divisors minus 621. Thus, the abundance of 621 is 339 - 621 = no abundance

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