5640243

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 9669024

約数和(自身を除く): 4028781

約数列:

[1, 3, 7, 17, 21, 37, 49, 51, 61, 111, 119, 147, 183, 259, 357, 427, 629, 777, 833, 1037, 1281, 1813, 1887, 2257, 2499, 2989, 3111, 4403, 5439, 6771, 7259, 8967, 13209, 15799, 21777, 30821, 38369, 47397, 50813, 92463, 110593, 115107, 152439, 268583, 331779, 805749, 1880081, 5640243]

約数ペア:

[(1, 5640243), (3, 1880081), (7, 805749), (17, 331779), (21, 268583), (37, 152439), (49, 115107), (51, 110593), (61, 92463), (111, 50813), (119, 47397), (147, 38369), (183, 30821), (259, 21777), (357, 15799), (427, 13209), (629, 8967), (777, 7259), (833, 6771), (1037, 5439), (1281, 4403), (1813, 3111), (1887, 2989), (2257, 2499)]