17867129

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{601}}^1$

素因数の和:776

約数の個数: 16

約数和(自身を含む): 21267456

約数和(自身を除く): 3400327

約数列:

[1, 7, 31, 137, 217, 601, 959, 4207, 4247, 18631, 29729, 82337, 130417, 576359, 2552447, 17867129]

約数ペア:

[(1, 17867129), (7, 2552447), (31, 576359), (137, 130417), (217, 82337), (601, 29729), (959, 18631), (4207, 4247)]