54390915

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{28109}}^1$

素因数の和:28163

約数の個数: 24

約数和(自身を含む): 96473520

約数和(自身を除く): 42082605

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 28109, 84327, 140545, 252981, 421635, 1208687, 1264905, 3626061, 6043435, 10878183, 18130305, 54390915]

約数ペア:

[(1, 54390915), (3, 18130305), (5, 10878183), (9, 6043435), (15, 3626061), (43, 1264905), (45, 1208687), (129, 421635), (215, 252981), (387, 140545), (645, 84327), (1935, 28109)]