25560171

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 47523840

約数和(自身を除く): 21963669

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 101, 103, 117, 189, 273, 303, 309, 351, 707, 721, 819, 909, 927, 1313, 1339, 2121, 2163, 2457, 2727, 2781, 3939, 4017, 6363, 6489, 9191, 9373, 10403, 11817, 12051, 19089, 19467, 27573, 28119, 31209, 35451, 36153, 72821, 82719, 84357, 93627, 135239, 218463, 248157, 253071, 280881, 405717, 655389, 946673, 1217151, 1966167, 2840019, 3651453, 8520057, 25560171]

約数ペア:

[(1, 25560171), (3, 8520057), (7, 3651453), (9, 2840019), (13, 1966167), (21, 1217151), (27, 946673), (39, 655389), (63, 405717), (91, 280881), (101, 253071), (103, 248157), (117, 218463), (189, 135239), (273, 93627), (303, 84357), (309, 82719), (351, 72821), (707, 36153), (721, 35451), (819, 31209), (909, 28119), (927, 27573), (1313, 19467), (1339, 19089), (2121, 12051), (2163, 11817), (2457, 10403), (2727, 9373), (2781, 9191), (3939, 6489), (4017, 6363)]