18160137

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 26920608

約数和(自身を除く): 8760471

約数列:

[1, 3, 9, 73, 131, 211, 219, 393, 633, 657, 1179, 1899, 9563, 15403, 27641, 28689, 46209, 82923, 86067, 138627, 248769, 2017793, 6053379, 18160137]

約数ペア:

[(1, 18160137), (3, 6053379), (9, 2017793), (73, 248769), (131, 138627), (211, 86067), (219, 82923), (393, 46209), (633, 28689), (657, 27641), (1179, 15403), (1899, 9563)]