31112181

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{2011}}^1$

素因数の和:2214

約数の個数: 20

約数和(自身を含む): 46742784

約数和(自身を除く): 15630603

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 2011, 5157, 6033, 15471, 18099, 54297, 162891, 384101, 1152303, 3456909, 10370727, 31112181]

約数ペア:

[(1, 31112181), (3, 10370727), (9, 3456909), (27, 1152303), (81, 384101), (191, 162891), (573, 54297), (1719, 18099), (2011, 15471), (5157, 6033)]