28737512721

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{239}}^1\times {\mathrm{3253}}^1$

素因数の和:3575

約数の個数: 48

約数和(自身を含む): 43952428800

約数和(自身を除く): 15214916079

約数列:

[1, 3, 9, 27, 37, 111, 239, 333, 717, 999, 1369, 2151, 3253, 4107, 6453, 8843, 9759, 12321, 26529, 29277, 36963, 79587, 87831, 120361, 238761, 327191, 361083, 777467, 981573, 1083249, 2332401, 2944719, 3249747, 4453357, 6997203, 8834157, 13360071, 20991609, 28766279, 40080213, 86298837, 120240639, 258896511, 776689533, 1064352323, 3193056969, 9579170907, 28737512721]

約数ペア:

[(1, 28737512721), (3, 9579170907), (9, 3193056969), (27, 1064352323), (37, 776689533), (111, 258896511), (239, 120240639), (333, 86298837), (717, 40080213), (999, 28766279), (1369, 20991609), (2151, 13360071), (3253, 8834157), (4107, 6997203), (6453, 4453357), (8843, 3249747), (9759, 2944719), (12321, 2332401), (26529, 1083249), (29277, 981573), (36963, 777467), (79587, 361083), (87831, 327191), (120361, 238761)]