9885969

素因数分解:

$3^6\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 28

約数和(自身を含む): 15109632

約数和(自身を除く): 5223663

約数列:

[1, 3, 9, 27, 71, 81, 191, 213, 243, 573, 639, 729, 1719, 1917, 5157, 5751, 13561, 15471, 17253, 40683, 46413, 51759, 122049, 139239, 366147, 1098441, 3295323, 9885969]

約数ペア:

[(1, 9885969), (3, 3295323), (9, 1098441), (27, 366147), (71, 139239), (81, 122049), (191, 51759), (213, 46413), (243, 40683), (573, 17253), (639, 15471), (729, 13561), (1719, 5751), (1917, 5157)]