17950221

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15461}}^1$

素因数の和:15513

約数の個数: 16

約数和(自身を含む): 27213120

約数和(自身を除く): 9262899

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15461, 46383, 139149, 417447, 664823, 1994469, 5983407, 17950221]

約数ペア:

[(1, 17950221), (3, 5983407), (9, 1994469), (27, 664823), (43, 417447), (129, 139149), (387, 46383), (1161, 15461)]