128865915

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{92377}}^1$

素因数の和:92419

約数の個数: 24

約数和(自身を含む): 230575488

約数和(自身を除く): 101709573

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 92377, 277131, 461885, 831393, 1385655, 2863687, 4156965, 8591061, 14318435, 25773183, 42955305, 128865915]

約数ペア:

[(1, 128865915), (3, 42955305), (5, 25773183), (9, 14318435), (15, 8591061), (31, 4156965), (45, 2863687), (93, 1385655), (155, 831393), (279, 461885), (465, 277131), (1395, 92377)]