15171471

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{857}}^1$

素因数の和:1151

約数の個数: 24

約数和(自身を含む): 25163424

約数和(自身を除く): 9991953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 857, 1967, 2529, 2571, 5901, 5999, 7713, 17703, 17997, 53991, 240817, 722451, 1685719, 2167353, 5057157, 15171471]

約数ペア:

[(1, 15171471), (3, 5057157), (7, 2167353), (9, 1685719), (21, 722451), (63, 240817), (281, 53991), (843, 17997), (857, 17703), (1967, 7713), (2529, 5999), (2571, 5901)]