201996669

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{80831}}^1$

素因数の和:80865

約数の個数: 24

約数和(自身を含む): 331734528

約数和(自身を除く): 129737859

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 80831, 242493, 565817, 1374127, 1697451, 3960719, 4122381, 9618889, 11882157, 28856667, 67332223, 201996669]

約数ペア:

[(1, 201996669), (3, 67332223), (7, 28856667), (17, 11882157), (21, 9618889), (49, 4122381), (51, 3960719), (119, 1697451), (147, 1374127), (357, 565817), (833, 242493), (2499, 80831)]