168905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 16

約数和(自身を含む): 229824

約数和(自身を除く): 60919

約数列:

[1, 5, 11, 37, 55, 83, 185, 407, 415, 913, 2035, 3071, 4565, 15355, 33781, 168905]

約数ペア:

[(1, 168905), (5, 33781), (11, 15355), (37, 4565), (55, 3071), (83, 2035), (185, 913), (407, 415)]