25555803

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 43819776

約数和(自身を除く): 18263973

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 311, 559, 637, 903, 933, 1677, 1911, 2107, 2177, 3913, 4043, 6321, 6531, 11739, 12129, 13373, 15239, 27391, 28301, 40119, 45717, 82173, 84903, 93611, 173849, 198107, 280833, 521547, 594321, 655277, 1216943, 1965831, 3650829, 8518601, 25555803]

約数ペア:

[(1, 25555803), (3, 8518601), (7, 3650829), (13, 1965831), (21, 1216943), (39, 655277), (43, 594321), (49, 521547), (91, 280833), (129, 198107), (147, 173849), (273, 93611), (301, 84903), (311, 82173), (559, 45717), (637, 40119), (903, 28301), (933, 27391), (1677, 15239), (1911, 13373), (2107, 12129), (2177, 11739), (3913, 6531), (4043, 6321)]