81007381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{1931}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 99969408

約数和(自身を除く): 18962027

約数列:

[1, 7, 13, 91, 461, 1931, 3227, 5993, 13517, 25103, 41951, 175721, 890191, 6231337, 11572483, 81007381]

約数ペア:

[(1, 81007381), (7, 11572483), (13, 6231337), (91, 890191), (461, 175721), (1931, 41951), (3227, 25103), (5993, 13517)]