217174321

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{340933}}^1$

素因数の和:340960

約数の個数: 12

約数和(自身を含む): 272065332

約数和(自身を除く): 54891011

約数列:

[1, 7, 13, 49, 91, 637, 340933, 2386531, 4432129, 16705717, 31024903, 217174321]

約数ペア:

[(1, 217174321), (7, 31024903), (13, 16705717), (49, 4432129), (91, 2386531), (637, 340933)]