28697139

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:736

約数の個数: 32

約数和(自身を含む): 45527040

約数和(自身を除く): 16829901

約数列:

[1, 3, 9, 17, 27, 51, 103, 153, 309, 459, 607, 927, 1751, 1821, 2781, 5253, 5463, 10319, 15759, 16389, 30957, 47277, 62521, 92871, 187563, 278613, 562689, 1062857, 1688067, 3188571, 9565713, 28697139]

約数ペア:

[(1, 28697139), (3, 9565713), (9, 3188571), (17, 1688067), (27, 1062857), (51, 562689), (103, 278613), (153, 187563), (309, 92871), (459, 62521), (607, 47277), (927, 30957), (1751, 16389), (1821, 15759), (2781, 10319), (5253, 5463)]