30983865

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 55898304

約数和(自身を除く): 24914439

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 121, 129, 165, 215, 363, 397, 473, 605, 645, 1191, 1419, 1815, 1985, 2365, 4367, 5203, 5955, 7095, 13101, 15609, 17071, 21835, 26015, 48037, 51213, 65505, 78045, 85355, 144111, 187781, 240185, 256065, 563343, 720555, 938905, 2065591, 2816715, 6196773, 10327955, 30983865]

約数ペア:

[(1, 30983865), (3, 10327955), (5, 6196773), (11, 2816715), (15, 2065591), (33, 938905), (43, 720555), (55, 563343), (121, 256065), (129, 240185), (165, 187781), (215, 144111), (363, 85355), (397, 78045), (473, 65505), (605, 51213), (645, 48037), (1191, 26015), (1419, 21835), (1815, 17071), (1985, 15609), (2365, 13101), (4367, 7095), (5203, 5955)]