16121287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{613}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 21111776

約数和(自身を除く): 4990489

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 613, 1547, 2023, 3757, 4291, 7969, 10421, 26299, 55783, 72947, 135473, 177157, 948311, 1240099, 2303041, 16121287]

約数ペア:

[(1, 16121287), (7, 2303041), (13, 1240099), (17, 948311), (91, 177157), (119, 135473), (221, 72947), (289, 55783), (613, 26299), (1547, 10421), (2023, 7969), (3757, 4291)]