81404511

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1\times {\mathrm{677}}^1$

素因数の和:1098

約数の個数: 16

約数和(自身を含む): 109836000

約数和(自身を除く): 28431489

約数列:

[1, 3, 149, 269, 447, 677, 807, 2031, 40081, 100873, 120243, 182113, 302619, 546339, 27134837, 81404511]

約数ペア:

[(1, 81404511), (3, 27134837), (149, 546339), (269, 302619), (447, 182113), (677, 120243), (807, 100873), (2031, 40081)]