81731427

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{15559}}^1$

素因数の和:15682

約数の個数: 16

約数和(自身を含む): 116513280

約数和(自身を除く): 34781853

約数列:

[1, 3, 17, 51, 103, 309, 1751, 5253, 15559, 46677, 264503, 793509, 1602577, 4807731, 27243809, 81731427]

約数ペア:

[(1, 81731427), (3, 27243809), (17, 4807731), (51, 1602577), (103, 793509), (309, 264503), (1751, 46677), (5253, 15559)]