81186287

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 102329136

約数和(自身を除く): 21142849

約数列:

[1, 7, 13, 49, 91, 233, 547, 637, 1631, 3029, 3829, 7111, 11417, 21203, 26803, 49777, 127451, 148421, 348439, 892157, 1656863, 6245099, 11598041, 81186287]

約数ペア:

[(1, 81186287), (7, 11598041), (13, 6245099), (49, 1656863), (91, 892157), (233, 348439), (547, 148421), (637, 127451), (1631, 49777), (3029, 26803), (3829, 21203), (7111, 11417)]