666656639

素因数分解:

${\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{13537}}^1$

素因数の和:13607

約数の個数: 16

約数和(自身を含む): 753146016

約数和(自身を除く): 86489377

約数列:

[1, 11, 37, 121, 407, 1331, 4477, 13537, 49247, 148907, 500869, 1637977, 5509559, 18017747, 60605149, 666656639]

約数ペア:

[(1, 666656639), (11, 60605149), (37, 18017747), (121, 5509559), (407, 1637977), (1331, 500869), (4477, 148907), (13537, 49247)]