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Is 3870 a perfect number? [SOLVED]

Answer


3870 is not perfect because:

1 + 2 + 3 + 5 + 6 + 9 + 10 + 15 + 18 + 30 + 43 + 45 + 86 + 90 + 129 + 215 + 258 + 387 + 430 + 645 + 774 + 1290 + 1935 3870
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