77760945

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4397}}^1$

素因数の和:4542

約数の個数: 32

約数和(自身を含む): 139328640

約数和(自身を除く): 61567695

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 4397, 5895, 13191, 17685, 21985, 39573, 65955, 118719, 197865, 576007, 593595, 1728021, 2880035, 5184063, 8640105, 15552189, 25920315, 77760945]

約数ペア:

[(1, 77760945), (3, 25920315), (5, 15552189), (9, 8640105), (15, 5184063), (27, 2880035), (45, 1728021), (131, 593595), (135, 576007), (393, 197865), (655, 118719), (1179, 65955), (1965, 39573), (3537, 21985), (4397, 17685), (5895, 13191)]