15685089

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2069}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 25237440

約数和(自身を除く): 9552351

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2069, 2527, 6207, 7581, 14483, 39311, 43449, 117933, 275177, 746909, 825531, 2240727, 5228363, 15685089]

約数ペア:

[(1, 15685089), (3, 5228363), (7, 2240727), (19, 825531), (21, 746909), (57, 275177), (133, 117933), (361, 43449), (399, 39311), (1083, 14483), (2069, 7581), (2527, 6207)]