9916911

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:844

約数の個数: 20

約数和(自身を含む): 14914944

約数和(自身を除く): 4998033

約数列:

[1, 3, 9, 27, 81, 191, 573, 641, 1719, 1923, 5157, 5769, 15471, 17307, 51921, 122431, 367293, 1101879, 3305637, 9916911]

約数ペア:

[(1, 9916911), (3, 3305637), (9, 1101879), (27, 367293), (81, 122431), (191, 51921), (573, 17307), (641, 15471), (1719, 5769), (1923, 5157)]