15492321

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7789}}^1$

素因数の和:7825

約数の個数: 24

約数和(自身を含む): 25520040

約数和(自身を除く): 10027719

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 7789, 23367, 70101, 101257, 132413, 303771, 397239, 911313, 1191717, 1721369, 5164107, 15492321]

約数ペア:

[(1, 15492321), (3, 5164107), (9, 1721369), (13, 1191717), (17, 911313), (39, 397239), (51, 303771), (117, 132413), (153, 101257), (221, 70101), (663, 23367), (1989, 7789)]