642281643

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{417337}}^1$

素因数の和:417368

約数の個数: 20

約数和(自身を含む): 1009957960

約数和(自身を除く): 367676317

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 417337, 1252011, 3756033, 7929403, 11268099, 23788209, 33804297, 71364627, 214093881, 642281643]

約数ペア:

[(1, 642281643), (3, 214093881), (9, 71364627), (19, 33804297), (27, 23788209), (57, 11268099), (81, 7929403), (171, 3756033), (513, 1252011), (1539, 417337)]