15880081

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 18944640

約数和(自身を除く): 3064559

約数列:

[1, 7, 29, 137, 203, 571, 959, 3973, 3997, 16559, 27811, 78227, 115913, 547589, 2268583, 15880081]

約数ペア:

[(1, 15880081), (7, 2268583), (29, 547589), (137, 115913), (203, 78227), (571, 27811), (959, 16559), (3973, 3997)]