81190837

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20749}}^1$

素因数の和:20812

約数の個数: 16

約数和(自身を含む): 102256000

約数和(自身を除く): 21065163

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 20749, 145243, 269737, 892207, 1888159, 6245449, 11598691, 81190837]

約数ペア:

[(1, 81190837), (7, 11598691), (13, 6245449), (43, 1888159), (91, 892207), (301, 269737), (559, 145243), (3913, 20749)]