39911985

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 71385600

約数和(自身を除く): 31473615

約数列:

[1, 3, 5, 9, 15, 45, 79, 103, 109, 237, 309, 327, 395, 515, 545, 711, 927, 981, 1185, 1545, 1635, 3555, 4635, 4905, 8137, 8611, 11227, 24411, 25833, 33681, 40685, 43055, 56135, 73233, 77499, 101043, 122055, 129165, 168405, 366165, 387495, 505215, 886933, 2660799, 4434665, 7982397, 13303995, 39911985]

約数ペア:

[(1, 39911985), (3, 13303995), (5, 7982397), (9, 4434665), (15, 2660799), (45, 886933), (79, 505215), (103, 387495), (109, 366165), (237, 168405), (309, 129165), (327, 122055), (395, 101043), (515, 77499), (545, 73233), (711, 56135), (927, 43055), (981, 40685), (1185, 33681), (1545, 25833), (1635, 24411), (3555, 11227), (4635, 8611), (4905, 8137)]