81568071

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2917}}^1$

素因数の和:3175

約数の個数: 24

約数和(自身を含む): 127458240

約数和(自身を除く): 45890169

約数列:

[1, 3, 9, 13, 39, 117, 239, 717, 2151, 2917, 3107, 8751, 9321, 26253, 27963, 37921, 113763, 341289, 697163, 2091489, 6274467, 9063119, 27189357, 81568071]

約数ペア:

[(1, 81568071), (3, 27189357), (9, 9063119), (13, 6274467), (39, 2091489), (117, 697163), (239, 341289), (717, 113763), (2151, 37921), (2917, 27963), (3107, 26253), (8751, 9321)]