1390804857

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{2143}}^1$

素因数の和:2251

約数の個数: 48

約数和(自身を含む): 2272811520

約数和(自身を除く): 882006663

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 1849, 2143, 5031, 5547, 6429, 15093, 16641, 19287, 24037, 27859, 49923, 57861, 72111, 83577, 92149, 216333, 250731, 276447, 648999, 752193, 829341, 1197937, 2488023, 3593811, 3962407, 10781433, 11887221, 32344299, 35661663, 51511291, 106984989, 154533873, 463601619, 1390804857]

約数ペア:

[(1, 1390804857), (3, 463601619), (9, 154533873), (13, 106984989), (27, 51511291), (39, 35661663), (43, 32344299), (117, 11887221), (129, 10781433), (351, 3962407), (387, 3593811), (559, 2488023), (1161, 1197937), (1677, 829341), (1849, 752193), (2143, 648999), (5031, 276447), (5547, 250731), (6429, 216333), (15093, 92149), (16641, 83577), (19287, 72111), (24037, 57861), (27859, 49923)]