87398775

素因数分解:

$3^2\times 5^2\times {\mathrm{311}}^1\times {\mathrm{1249}}^1$

素因数の和:1576

約数の個数: 36

約数和(自身を含む): 157170000

約数和(自身を除く): 69771225

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 311, 933, 1249, 1555, 2799, 3747, 4665, 6245, 7775, 11241, 13995, 18735, 23325, 31225, 56205, 69975, 93675, 281025, 388439, 1165317, 1942195, 3495951, 5826585, 9710975, 17479755, 29132925, 87398775]

約数ペア:

[(1, 87398775), (3, 29132925), (5, 17479755), (9, 9710975), (15, 5826585), (25, 3495951), (45, 1942195), (75, 1165317), (225, 388439), (311, 281025), (933, 93675), (1249, 69975), (1555, 56205), (2799, 31225), (3747, 23325), (4665, 18735), (6245, 13995), (7775, 11241)]