128169111

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{141937}}^1$

素因数の和:141990

約数の個数: 16

約数和(自身を含む): 199848704

約数和(自身を除く): 71679593

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 141937, 425811, 993559, 2980677, 6103291, 18309873, 42723037, 128169111]

約数ペア:

[(1, 128169111), (3, 42723037), (7, 18309873), (21, 6103291), (43, 2980677), (129, 993559), (301, 425811), (903, 141937)]