Answer
468 is not perfect because:
1 + 2 + 3 + 4 + 6 + 9 + 12 + 13 + 18 + 26 + 36 + 39 + 52 + 78 + 117 + 156 + 234 ≠ 468
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Answer
468 is not perfect because:
1 + 2 + 3 + 4 + 6 + 9 + 12 + 13 + 18 + 26 + 36 + 39 + 52 + 78 + 117 + 156 + 234 ≠ 468