%0 Journal Article %A Yusuke Fujisawa %T On some arithmetical functions and the number of pure number fields %J Colloquium Mathematicum %D 2017 %P 275-290 %V 149 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm6970-12-2016/ %R 10.4064/cm6970-12-2016 %G en %F 10_4064_cm6970_12_2016