54072081

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 94848000

約数和(自身を除く): 40775919

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 199, 227, 399, 597, 681, 1197, 1393, 1589, 1791, 2043, 3781, 4179, 4313, 4767, 11343, 12537, 12939, 14301, 26467, 30191, 34029, 38817, 45173, 79401, 90573, 135519, 238203, 271719, 316211, 406557, 858287, 948633, 2574861, 2845899, 6008009, 7724583, 18024027, 54072081]

約数ペア:

[(1, 54072081), (3, 18024027), (7, 7724583), (9, 6008009), (19, 2845899), (21, 2574861), (57, 948633), (63, 858287), (133, 406557), (171, 316211), (199, 271719), (227, 238203), (399, 135519), (597, 90573), (681, 79401), (1197, 45173), (1393, 38817), (1589, 34029), (1791, 30191), (2043, 26467), (3781, 14301), (4179, 12939), (4313, 12537), (4767, 11343)]