28089027

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 41441504

約数和(自身を除く): 13352477

約数列:

[1, 3, 9, 103, 157, 193, 309, 471, 579, 927, 1413, 1737, 16171, 19879, 30301, 48513, 59637, 90903, 145539, 178911, 272709, 3121003, 9363009, 28089027]

約数ペア:

[(1, 28089027), (3, 9363009), (9, 3121003), (103, 272709), (157, 178911), (193, 145539), (309, 90903), (471, 59637), (579, 48513), (927, 30301), (1413, 19879), (1737, 16171)]