81267927

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20231}}^1$

素因数の和:20350

約数の個数: 16

約数和(自身を含む): 117831168

約数和(自身を除く): 36563241

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 20231, 60693, 263003, 789009, 2083793, 6251379, 27089309, 81267927]

約数ペア:

[(1, 81267927), (3, 27089309), (13, 6251379), (39, 2083793), (103, 789009), (309, 263003), (1339, 60693), (4017, 20231)]