331379209

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{355939}}^1$

素因数の和:355972

約数の個数: 12

約数和(自身を含む): 405771600

約数和(自身を除く): 74392391

約数列:

[1, 7, 19, 49, 133, 931, 355939, 2491573, 6762841, 17441011, 47339887, 331379209]

約数ペア:

[(1, 331379209), (7, 47339887), (19, 17441011), (49, 6762841), (133, 2491573), (931, 355939)]