208540413

素因数分解:

$3^5\times {\mathrm{349}}^1\times {\mathrm{2459}}^1$

素因数の和:2823

約数の個数: 24

約数和(自身を含む): 313404000

約数和(自身を除く): 104863587

約数列:

[1, 3, 9, 27, 81, 243, 349, 1047, 2459, 3141, 7377, 9423, 22131, 28269, 66393, 84807, 199179, 597537, 858191, 2574573, 7723719, 23171157, 69513471, 208540413]

約数ペア:

[(1, 208540413), (3, 69513471), (9, 23171157), (27, 7723719), (81, 2574573), (243, 858191), (349, 597537), (1047, 199179), (2459, 84807), (3141, 66393), (7377, 28269), (9423, 22131)]