67821481

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20143}}^1$

素因数の和:20200

約数の個数: 16

約数和(自身を含む): 85732864

約数和(自身を除く): 17911383

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 20143, 141001, 261859, 745291, 1833013, 5217037, 9688783, 67821481]

約数ペア:

[(1, 67821481), (7, 9688783), (13, 5217037), (37, 1833013), (91, 745291), (259, 261859), (481, 141001), (3367, 20143)]