720597933

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{3793}}^1$

素因数の和:3930

約数の個数: 48

約数和(自身を含む): 1207402560

約数和(自身を除く): 486804627

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 101, 171, 209, 303, 627, 909, 1111, 1881, 1919, 3333, 3793, 5757, 9999, 11379, 17271, 21109, 34137, 41723, 63327, 72067, 125169, 189981, 216201, 375507, 383093, 648603, 792737, 1149279, 2378211, 3447837, 4214023, 7134633, 7278767, 12642069, 21836301, 37926207, 65508903, 80066437, 240199311, 720597933]

約数ペア:

[(1, 720597933), (3, 240199311), (9, 80066437), (11, 65508903), (19, 37926207), (33, 21836301), (57, 12642069), (99, 7278767), (101, 7134633), (171, 4214023), (209, 3447837), (303, 2378211), (627, 1149279), (909, 792737), (1111, 648603), (1881, 383093), (1919, 375507), (3333, 216201), (3793, 189981), (5757, 125169), (9999, 72067), (11379, 63327), (17271, 41723), (21109, 34137)]