26507481

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 49067424

約数和(自身を除く): 22559943

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 91, 97, 143, 147, 169, 231, 273, 291, 429, 507, 539, 637, 679, 1001, 1067, 1183, 1261, 1617, 1859, 1911, 2037, 3003, 3201, 3549, 3783, 4753, 5577, 7007, 7469, 8281, 8827, 13013, 13871, 14259, 16393, 21021, 22407, 24843, 26481, 39039, 41613, 49179, 52283, 61789, 91091, 97097, 114751, 156849, 180323, 185367, 273273, 291291, 344253, 540969, 679679, 803257, 1262261, 2039037, 2409771, 3786783, 8835827, 26507481]

約数ペア:

[(1, 26507481), (3, 8835827), (7, 3786783), (11, 2409771), (13, 2039037), (21, 1262261), (33, 803257), (39, 679679), (49, 540969), (77, 344253), (91, 291291), (97, 273273), (143, 185367), (147, 180323), (169, 156849), (231, 114751), (273, 97097), (291, 91091), (429, 61789), (507, 52283), (539, 49179), (637, 41613), (679, 39039), (1001, 26481), (1067, 24843), (1183, 22407), (1261, 21021), (1617, 16393), (1859, 14259), (1911, 13871), (2037, 13013), (3003, 8827), (3201, 8281), (3549, 7469), (3783, 7007), (4753, 5577)]