208022499

素因数分解:

$3^4\times {\mathrm{839}}^1\times {\mathrm{3061}}^1$

素因数の和:3912

約数の個数: 20

約数和(自身を含む): 311221680

約数和(自身を除く): 103199181

約数列:

[1, 3, 9, 27, 81, 839, 2517, 3061, 7551, 9183, 22653, 27549, 67959, 82647, 247941, 2568179, 7704537, 23113611, 69340833, 208022499]

約数ペア:

[(1, 208022499), (3, 69340833), (9, 23113611), (27, 7704537), (81, 2568179), (839, 247941), (2517, 82647), (3061, 67959), (7551, 27549), (9183, 22653)]