81420027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1033}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 122293248

約数和(自身を除く): 40873221

約数列:

[1, 3, 13, 39, 43, 47, 129, 141, 559, 611, 1033, 1677, 1833, 2021, 3099, 6063, 13429, 26273, 40287, 44419, 48551, 78819, 133257, 145653, 577447, 631163, 1732341, 1893489, 2087693, 6263079, 27140009, 81420027]

約数ペア:

[(1, 81420027), (3, 27140009), (13, 6263079), (39, 2087693), (43, 1893489), (47, 1732341), (129, 631163), (141, 577447), (559, 145653), (611, 133257), (1033, 78819), (1677, 48551), (1833, 44419), (2021, 40287), (3099, 26273), (6063, 13429)]