15642669

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 25850880

約数和(自身を除く): 10208211

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1019, 2193, 3057, 5117, 7133, 15351, 17323, 21399, 43817, 51969, 121261, 131451, 306719, 363783, 744889, 920157, 2234667, 5214223, 15642669]

約数ペア:

[(1, 15642669), (3, 5214223), (7, 2234667), (17, 920157), (21, 744889), (43, 363783), (51, 306719), (119, 131451), (129, 121261), (301, 51969), (357, 43817), (731, 21399), (903, 17323), (1019, 15351), (2193, 7133), (3057, 5117)]