331344237

素因数分解:

$3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{7901}}^1$

素因数の和:9908

約数の個数: 16

約数和(自身を含む): 505222272

約数和(自身を除く): 173878035

約数列:

[1, 3, 7, 21, 1997, 5991, 7901, 13979, 23703, 41937, 55307, 165921, 15778297, 47334891, 110448079, 331344237]

約数ペア:

[(1, 331344237), (3, 110448079), (7, 47334891), (21, 15778297), (1997, 165921), (5991, 55307), (7901, 41937), (13979, 23703)]