7287147

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 12157184

約数和(自身を除く): 4870037

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 1123, 2163, 3369, 6489, 7861, 10107, 23583, 70749, 115669, 347007, 809683, 1041021, 2429049, 7287147]

約数ペア:

[(1, 7287147), (3, 2429049), (7, 1041021), (9, 809683), (21, 347007), (63, 115669), (103, 70749), (309, 23583), (721, 10107), (927, 7861), (1123, 6489), (2163, 3369)]