25806753

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 44518656

約数和(自身を除く): 18711903

約数列:

[1, 3, 7, 9, 21, 41, 63, 97, 103, 123, 287, 291, 309, 369, 679, 721, 861, 873, 927, 2037, 2163, 2583, 3977, 4223, 6111, 6489, 9991, 11931, 12669, 27839, 29561, 29973, 35793, 38007, 69937, 83517, 88683, 89919, 209811, 250551, 266049, 409631, 629433, 1228893, 2867417, 3686679, 8602251, 25806753]

約数ペア:

[(1, 25806753), (3, 8602251), (7, 3686679), (9, 2867417), (21, 1228893), (41, 629433), (63, 409631), (97, 266049), (103, 250551), (123, 209811), (287, 89919), (291, 88683), (309, 83517), (369, 69937), (679, 38007), (721, 35793), (861, 29973), (873, 29561), (927, 27839), (2037, 12669), (2163, 11931), (2583, 9991), (3977, 6489), (4223, 6111)]