398157

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:268

約数の個数: 16

約数和(自身を含む): 580032

約数和(自身を除く): 181875

約数列:

[1, 3, 17, 37, 51, 111, 211, 629, 633, 1887, 3587, 7807, 10761, 23421, 132719, 398157]

約数ペア:

[(1, 398157), (3, 132719), (17, 23421), (37, 10761), (51, 7807), (111, 3587), (211, 1887), (629, 633)]