67128669

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{4339}}^1$

素因数の和:4542

約数の個数: 20

約数和(自身を含む): 100826880

約数和(自身を除く): 33698211

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 4339, 5157, 13017, 15471, 39051, 117153, 351459, 828749, 2486247, 7458741, 22376223, 67128669]

約数ペア:

[(1, 67128669), (3, 22376223), (9, 7458741), (27, 2486247), (81, 828749), (191, 351459), (573, 117153), (1719, 39051), (4339, 15471), (5157, 13017)]