51538221

素因数分解:

$3^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{701}}^1$

素因数の和:1106

約数の個数: 32

約数和(自身を含む): 87609600

約数和(自身を除く): 36071379

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 389, 701, 1167, 2103, 2723, 3501, 4907, 6309, 8169, 10503, 14721, 18927, 24507, 44163, 73521, 132489, 272689, 818067, 1908823, 2454201, 5726469, 7362603, 17179407, 51538221]

約数ペア:

[(1, 51538221), (3, 17179407), (7, 7362603), (9, 5726469), (21, 2454201), (27, 1908823), (63, 818067), (189, 272689), (389, 132489), (701, 73521), (1167, 44163), (2103, 24507), (2723, 18927), (3501, 14721), (4907, 10503), (6309, 8169)]