12391623

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{8999}}^1$

素因数の和:9028

約数の個数: 20

約数和(自身を含む): 19602000

約数和(自身を除く): 7210377

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 8999, 26997, 80991, 152983, 242973, 458949, 728919, 1376847, 4130541, 12391623]

約数ペア:

[(1, 12391623), (3, 4130541), (9, 1376847), (17, 728919), (27, 458949), (51, 242973), (81, 152983), (153, 80991), (459, 26997), (1377, 8999)]