12938139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 20004192

約数和(自身を除く): 7066053

約数列:

[1, 3, 9, 17, 51, 103, 153, 309, 821, 927, 1751, 2463, 5253, 7389, 13957, 15759, 41871, 84563, 125613, 253689, 761067, 1437571, 4312713, 12938139]

約数ペア:

[(1, 12938139), (3, 4312713), (9, 1437571), (17, 761067), (51, 253689), (103, 125613), (153, 84563), (309, 41871), (821, 15759), (927, 13957), (1751, 7389), (2463, 5253)]