201311721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{1720613}}^1$

素因数の和:1720632

約数の個数: 12

約数和(自身を含む): 313151748

約数和(自身を除く): 111840027

約数列:

[1, 3, 9, 13, 39, 117, 1720613, 5161839, 15485517, 22367969, 67103907, 201311721]

約数ペア:

[(1, 201311721), (3, 67103907), (9, 22367969), (13, 15485517), (39, 5161839), (117, 1720613)]