81518310

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{905759}}^1$

素因数の和:905772

約数の個数: 24

約数和(自身を含む): 211947840

約数和(自身を除く): 130429530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 905759, 1811518, 2717277, 4528795, 5434554, 8151831, 9057590, 13586385, 16303662, 27172770, 40759155, 81518310]

約数ペア:

[(1, 81518310), (2, 40759155), (3, 27172770), (5, 16303662), (6, 13586385), (9, 9057590), (10, 8151831), (15, 5434554), (18, 4528795), (30, 2717277), (45, 1811518), (90, 905759)]