15939147

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7369}}^1$

素因数の和:7482

約数の個数: 16

約数和(自身を含む): 24527360

約数和(自身を除く): 8588213

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 7369, 22107, 51583, 154749, 759007, 2277021, 5313049, 15939147]

約数ペア:

[(1, 15939147), (3, 5313049), (7, 2277021), (21, 759007), (103, 154749), (309, 51583), (721, 22107), (2163, 7369)]