64372221

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 95135040

約数和(自身を除く): 30762819

約数列:

[1, 3, 9, 71, 131, 213, 393, 639, 769, 1179, 2307, 6921, 9301, 27903, 54599, 83709, 100739, 163797, 302217, 491391, 906651, 7152469, 21457407, 64372221]

約数ペア:

[(1, 64372221), (3, 21457407), (9, 7152469), (71, 906651), (131, 491391), (213, 302217), (393, 163797), (639, 100739), (769, 83709), (1179, 54599), (2307, 27903), (6921, 9301)]