666625791

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{122971}}^1$

素因数の和:123126

約数の個数: 16

約数和(自身を含む): 964100480

約数和(自身を除く): 297474689

約数列:

[1, 3, 13, 39, 139, 417, 1807, 5421, 122971, 368913, 1598623, 4795869, 17092969, 51278907, 222208597, 666625791]

約数ペア:

[(1, 666625791), (3, 222208597), (13, 51278907), (39, 17092969), (139, 4795869), (417, 1598623), (1807, 368913), (5421, 122971)]