81396807

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{4019}}^1$

素因数の和:4222

約数の個数: 16

約数和(自身を含む): 111788160

約数和(自身を除く): 30391353

約数列:

[1, 3, 43, 129, 157, 471, 4019, 6751, 12057, 20253, 172817, 518451, 630983, 1892949, 27132269, 81396807]

約数ペア:

[(1, 81396807), (3, 27132269), (43, 1892949), (129, 630983), (157, 518451), (471, 172817), (4019, 20253), (6751, 12057)]