28305390165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{25981}}^1$

素因数の和:26190

約数の個数: 64

約数和(自身を含む): 50424202752

約数和(自身を除く): 22118812587

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 151, 185, 195, 453, 481, 555, 755, 1443, 1963, 2265, 2405, 5587, 5889, 7215, 9815, 16761, 25981, 27935, 29445, 72631, 77943, 83805, 129905, 217893, 337753, 363155, 389715, 961297, 1013259, 1089465, 1688765, 2883891, 3923131, 4806485, 5066295, 11769393, 12496861, 14419455, 19615655, 37490583, 51000703, 58846965, 62484305, 145155847, 153002109, 187452915, 255003515, 435467541, 725779235, 765010545, 1887026011, 2177337705, 5661078033, 9435130055, 28305390165]

約数ペア:

[(1, 28305390165), (3, 9435130055), (5, 5661078033), (13, 2177337705), (15, 1887026011), (37, 765010545), (39, 725779235), (65, 435467541), (111, 255003515), (151, 187452915), (185, 153002109), (195, 145155847), (453, 62484305), (481, 58846965), (555, 51000703), (755, 37490583), (1443, 19615655), (1963, 14419455), (2265, 12496861), (2405, 11769393), (5587, 5066295), (5889, 4806485), (7215, 3923131), (9815, 2883891), (16761, 1688765), (25981, 1089465), (27935, 1013259), (29445, 961297), (72631, 389715), (77943, 363155), (83805, 337753), (129905, 217893)]