7980777

素因数分解:

$3^2\times 7^2\times {\mathrm{18097}}^1$

素因数の和:18117

約数の個数: 18

約数和(自身を含む): 13410618

約数和(自身を除く): 5429841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 18097, 54291, 126679, 162873, 380037, 886753, 1140111, 2660259, 7980777]

約数ペア:

[(1, 7980777), (3, 2660259), (7, 1140111), (9, 886753), (21, 380037), (49, 162873), (63, 126679), (147, 54291), (441, 18097)]