85281405

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{2473}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 157940160

約数和(自身を除く): 72658755

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 121, 165, 209, 285, 363, 605, 627, 1045, 1815, 2299, 2473, 3135, 6897, 7419, 11495, 12365, 27203, 34485, 37095, 46987, 81609, 136015, 140961, 234935, 299233, 408045, 516857, 704805, 897699, 1496165, 1550571, 2584285, 4488495, 5685427, 7752855, 17056281, 28427135, 85281405]

約数ペア:

[(1, 85281405), (3, 28427135), (5, 17056281), (11, 7752855), (15, 5685427), (19, 4488495), (33, 2584285), (55, 1550571), (57, 1496165), (95, 897699), (121, 704805), (165, 516857), (209, 408045), (285, 299233), (363, 234935), (605, 140961), (627, 136015), (1045, 81609), (1815, 46987), (2299, 37095), (2473, 34485), (3135, 27203), (6897, 12365), (7419, 11495)]