81505931

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{709}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 90652800

約数和(自身を除く): 9146869

約数列:

[1, 13, 37, 239, 481, 709, 3107, 8843, 9217, 26233, 114959, 169451, 341029, 2202863, 6269687, 81505931]

約数ペア:

[(1, 81505931), (13, 6269687), (37, 2202863), (239, 341029), (481, 169451), (709, 114959), (3107, 26233), (8843, 9217)]