87020415

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{4871}}^1$

素因数の和:5279

約数の個数: 24

約数和(自身を含む): 151246368

約数和(自身を除く): 64225953

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1985, 3573, 4871, 5955, 14613, 17865, 24355, 43839, 73065, 219195, 1933787, 5801361, 9668935, 17404083, 29006805, 87020415]

約数ペア:

[(1, 87020415), (3, 29006805), (5, 17404083), (9, 9668935), (15, 5801361), (45, 1933787), (397, 219195), (1191, 73065), (1985, 43839), (3573, 24355), (4871, 17865), (5955, 14613)]