857584251

素因数分解:

$3^2\times {\mathrm{149}}^1\times {\mathrm{639511}}^1$

素因数の和:639666

約数の個数: 12

約数和(自身を含む): 1247048400

約数和(自身を除く): 389464149

約数列:

[1, 3, 9, 149, 447, 1341, 639511, 1918533, 5755599, 95287139, 285861417, 857584251]

約数ペア:

[(1, 857584251), (3, 285861417), (9, 95287139), (149, 5755599), (447, 1918533), (1341, 639511)]