Is 721 an abundant number and what is its abundance?

Is 721 an abundant number?

Here we will explain and calculate if 721 is an abundant number and its abundance if applicable.

721 is an abundant number if the sum of its proper divisors is greater than 721.

The sum of its proper divisors is calculated as follows: 1 + 7 + 103 = 111.

111 is not greater than 721. Therefore, 721 is not an abundant number.

The abundance of 721 is the sum of its proper divisors minus 721. Thus, the abundance of 721 is 111 - 721 = no abundance

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