81709797

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{20341}}^1$

素因数の和:20460

約数の個数: 16

約数和(自身を含む): 118471808

約数和(自身を除く): 36762011

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 20341, 61023, 264433, 793299, 2095123, 6285369, 27236599, 81709797]

約数ペア:

[(1, 81709797), (3, 27236599), (13, 6285369), (39, 2095123), (103, 793299), (309, 264433), (1339, 61023), (4017, 20341)]