4018755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 32

約数和(自身を含む): 7124544

約数和(自身を除く): 3105789

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 557, 1443, 1671, 2405, 2785, 7215, 7241, 8355, 20609, 21723, 36205, 61827, 103045, 108615, 267917, 309135, 803751, 1339585, 4018755]

約数ペア:

[(1, 4018755), (3, 1339585), (5, 803751), (13, 309135), (15, 267917), (37, 108615), (39, 103045), (65, 61827), (111, 36205), (185, 21723), (195, 20609), (481, 8355), (555, 7241), (557, 7215), (1443, 2785), (1671, 2405)]