31381701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18713}}^1$

素因数の和:18772

約数の個数: 16

約数和(自身を含む): 46111296

約数和(自身を除く): 14729595

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 18713, 56139, 243269, 729807, 804659, 2413977, 10460567, 31381701]

約数ペア:

[(1, 31381701), (3, 10460567), (13, 2413977), (39, 804659), (43, 729807), (129, 243269), (559, 56139), (1677, 18713)]