81653559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20327}}^1$

素因数の和:20446

約数の個数: 16

約数和(自身を含む): 118390272

約数和(自身を除く): 36736713

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 20327, 60981, 264251, 792753, 2093681, 6281043, 27217853, 81653559]

約数ペア:

[(1, 81653559), (3, 27217853), (13, 6281043), (39, 2093681), (103, 792753), (309, 264251), (1339, 60981), (4017, 20327)]