231660207

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 370656000

約数和(自身を除く): 138995793

約数列:

[1, 3, 9, 17, 29, 51, 87, 109, 153, 261, 327, 479, 493, 981, 1437, 1479, 1853, 3161, 4311, 4437, 5559, 8143, 9483, 13891, 16677, 24429, 28449, 41673, 52211, 53737, 73287, 125019, 156633, 161211, 236147, 469899, 483633, 708441, 887587, 1514119, 2125323, 2662761, 4542357, 7988283, 13627071, 25740023, 77220069, 231660207]

約数ペア:

[(1, 231660207), (3, 77220069), (9, 25740023), (17, 13627071), (29, 7988283), (51, 4542357), (87, 2662761), (109, 2125323), (153, 1514119), (261, 887587), (327, 708441), (479, 483633), (493, 469899), (981, 236147), (1437, 161211), (1479, 156633), (1853, 125019), (3161, 73287), (4311, 53737), (4437, 52211), (5559, 41673), (8143, 28449), (9483, 24429), (13891, 16677)]