12885021

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{25117}}^1$

素因数の和:25145

約数の個数: 16

約数和(自身を含む): 20094400

約数和(自身を除く): 7209379

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 25117, 75351, 226053, 477223, 678159, 1431669, 4295007, 12885021]

約数ペア:

[(1, 12885021), (3, 4295007), (9, 1431669), (19, 678159), (27, 477223), (57, 226053), (171, 75351), (513, 25117)]