6668001

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{431}}^1$

素因数の和:634

約数の個数: 20

約数和(自身を含む): 10036224

約数和(自身を除く): 3368223

約数列:

[1, 3, 9, 27, 81, 191, 431, 573, 1293, 1719, 3879, 5157, 11637, 15471, 34911, 82321, 246963, 740889, 2222667, 6668001]

約数ペア:

[(1, 6668001), (3, 2222667), (9, 740889), (27, 246963), (81, 82321), (191, 34911), (431, 15471), (573, 11637), (1293, 5157), (1719, 3879)]