85404405

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 146522880

約数和(自身を除く): 61118475

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 229, 235, 345, 529, 687, 705, 1081, 1145, 1587, 2645, 3243, 3435, 5267, 5405, 7935, 10763, 15801, 16215, 24863, 26335, 32289, 53815, 74589, 79005, 121141, 124315, 161445, 247549, 363423, 372945, 605705, 742647, 1237745, 1817115, 3713235, 5693627, 17080881, 28468135, 85404405]

約数ペア:

[(1, 85404405), (3, 28468135), (5, 17080881), (15, 5693627), (23, 3713235), (47, 1817115), (69, 1237745), (115, 742647), (141, 605705), (229, 372945), (235, 363423), (345, 247549), (529, 161445), (687, 124315), (705, 121141), (1081, 79005), (1145, 74589), (1587, 53815), (2645, 32289), (3243, 26335), (3435, 24863), (5267, 16215), (5405, 15801), (7935, 10763)]