81961489

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 16

約数和(自身を含む): 89026560

約数和(自身を除く): 7065071

約数列:

[1, 23, 31, 139, 713, 827, 3197, 4309, 19021, 25637, 99107, 114953, 589651, 2643919, 3563543, 81961489]

約数ペア:

[(1, 81961489), (23, 3563543), (31, 2643919), (139, 589651), (713, 114953), (827, 99107), (3197, 25637), (4309, 19021)]