217331331

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{240677}}^1$

素因数の和:240730

約数の個数: 16

約数和(自身を含む): 338874624

約数和(自身を除く): 121543293

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 240677, 722031, 1684739, 5054217, 10349111, 31047333, 72443777, 217331331]

約数ペア:

[(1, 217331331), (3, 72443777), (7, 31047333), (21, 10349111), (43, 5054217), (129, 1684739), (301, 722031), (903, 240677)]