266049

素因数分解:

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

素因数の和:157

約数の個数: 24

約数和(自身を含む): 454272

約数和(自身を除く): 188223

約数列:

[1, 3, 7, 9, 21, 41, 63, 103, 123, 287, 309, 369, 721, 861, 927, 2163, 2583, 4223, 6489, 12669, 29561, 38007, 88683, 266049]

約数ペア:

[(1, 266049), (3, 88683), (7, 38007), (9, 29561), (21, 12669), (41, 6489), (63, 4223), (103, 2583), (123, 2163), (287, 927), (309, 861), (369, 721)]