8390123

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:483

約数の個数: 16

約数和(自身を含む): 9969600

約数和(自身を除く): 1579477

約数列:

[1, 7, 49, 61, 343, 401, 427, 2807, 2989, 19649, 20923, 24461, 137543, 171227, 1198589, 8390123]

約数ペア:

[(1, 8390123), (7, 1198589), (49, 171227), (61, 137543), (343, 24461), (401, 20923), (427, 19649), (2807, 2989)]