64311825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 111104000

約数和(自身を除く): 46792175

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 139, 155, 199, 417, 465, 597, 695, 775, 995, 2085, 2325, 2985, 3475, 4309, 4975, 6169, 10425, 12927, 14925, 18507, 21545, 27661, 30845, 64635, 82983, 92535, 107725, 138305, 154225, 323175, 414915, 462675, 691525, 857491, 2074575, 2572473, 4287455, 12862365, 21437275, 64311825]

約数ペア:

[(1, 64311825), (3, 21437275), (5, 12862365), (15, 4287455), (25, 2572473), (31, 2074575), (75, 857491), (93, 691525), (139, 462675), (155, 414915), (199, 323175), (417, 154225), (465, 138305), (597, 107725), (695, 92535), (775, 82983), (995, 64635), (2085, 30845), (2325, 27661), (2985, 21545), (3475, 18507), (4309, 14925), (4975, 12927), (6169, 10425)]