81611163

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{127717}}^1$

素因数の和:127794

約数の個数: 12

約数和(自身を含む): 119544048

約数和(自身を除く): 37932885

約数列:

[1, 3, 9, 71, 213, 639, 127717, 383151, 1149453, 9067907, 27203721, 81611163]

約数ペア:

[(1, 81611163), (3, 27203721), (9, 9067907), (71, 1149453), (213, 383151), (639, 127717)]