393642207

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 684636160

約数和(自身を除く): 290993953

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 103, 189, 219, 277, 309, 511, 657, 721, 831, 927, 1533, 1939, 1971, 2163, 2493, 2781, 4599, 5817, 6489, 7479, 7519, 13797, 17451, 19467, 20221, 22557, 28531, 52353, 52633, 60663, 67671, 85593, 141547, 157899, 181989, 199717, 203013, 256779, 424641, 473697, 545967, 599151, 770337, 1273923, 1421091, 1797453, 2082763, 3821769, 5392359, 6248289, 14579341, 18744867, 43738023, 56234601, 131214069, 393642207]

約数ペア:

[(1, 393642207), (3, 131214069), (7, 56234601), (9, 43738023), (21, 18744867), (27, 14579341), (63, 6248289), (73, 5392359), (103, 3821769), (189, 2082763), (219, 1797453), (277, 1421091), (309, 1273923), (511, 770337), (657, 599151), (721, 545967), (831, 473697), (927, 424641), (1533, 256779), (1939, 203013), (1971, 199717), (2163, 181989), (2493, 157899), (2781, 141547), (4599, 85593), (5817, 67671), (6489, 60663), (7479, 52633), (7519, 52353), (13797, 28531), (17451, 22557), (19467, 20221)]