15101721

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{2143}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 23412480

約数和(自身を除く): 8310759

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 783, 2143, 2349, 6429, 7047, 19287, 57861, 62147, 173583, 186441, 520749, 559323, 1677969, 5033907, 15101721]

約数ペア:

[(1, 15101721), (3, 5033907), (9, 1677969), (27, 559323), (29, 520749), (81, 186441), (87, 173583), (243, 62147), (261, 57861), (783, 19287), (2143, 7047), (2349, 6429)]