81931199

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1901}}^1$

素因数の和:2086

約数の個数: 16

約数和(自身を含む): 96408576

約数和(自身を除く): 14477377

約数列:

[1, 7, 47, 131, 329, 917, 1901, 6157, 13307, 43099, 89347, 249031, 625429, 1743217, 11704457, 81931199]

約数ペア:

[(1, 81931199), (7, 11704457), (47, 1743217), (131, 625429), (329, 249031), (917, 89347), (1901, 43099), (6157, 13307)]