81017111

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{449}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 93960000

約数和(自身を除く): 12942889

約数列:

[1, 7, 149, 173, 449, 1043, 1211, 3143, 25777, 66901, 77677, 180439, 468307, 543739, 11573873, 81017111]

約数ペア:

[(1, 81017111), (7, 11573873), (149, 543739), (173, 468307), (449, 180439), (1043, 77677), (1211, 66901), (3143, 25777)]