12390777

素因数分解:

$3^2\times 7^2\times {\mathrm{28097}}^1$

素因数の和:28117

約数の個数: 18

約数和(自身を含む): 20820618

約数和(自身を除く): 8429841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28097, 84291, 196679, 252873, 590037, 1376753, 1770111, 4130259, 12390777]

約数ペア:

[(1, 12390777), (3, 4130259), (7, 1770111), (9, 1376753), (21, 590037), (49, 252873), (63, 196679), (147, 84291), (441, 28097)]