1291361391

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{17047}}^1$

素因数の和:17515

約数の個数: 24

約数和(自身を含む): 1968021120

約数和(自身を除く): 676659729

約数列:

[1, 3, 9, 19, 57, 171, 443, 1329, 3987, 8417, 17047, 25251, 51141, 75753, 153423, 323893, 971679, 2915037, 7551821, 22655463, 67966389, 143484599, 430453797, 1291361391]

約数ペア:

[(1, 1291361391), (3, 430453797), (9, 143484599), (19, 67966389), (57, 22655463), (171, 7551821), (443, 2915037), (1329, 971679), (3987, 323893), (8417, 153423), (17047, 75753), (25251, 51141)]