214917921

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{10949}}^1$

素因数の和:11685

約数の個数: 16

約数和(自身を含む): 318864000

約数和(自身を除く): 103946079

約数列:

[1, 3, 9, 27, 727, 2181, 6543, 10949, 19629, 32847, 98541, 295623, 7959923, 23879769, 71639307, 214917921]

約数ペア:

[(1, 214917921), (3, 71639307), (9, 23879769), (27, 7959923), (727, 295623), (2181, 98541), (6543, 32847), (10949, 19629)]