81025217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{30703}}^1$

素因数の和:30752

約数の個数: 16

約数和(自身を含む): 103165440

約数和(自身を除く): 22140223

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 30703, 214921, 399139, 890387, 2793973, 6232709, 11575031, 81025217]

約数ペア:

[(1, 81025217), (7, 11575031), (13, 6232709), (29, 2793973), (91, 890387), (203, 399139), (377, 214921), (2639, 30703)]