208201749

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1\times {\mathrm{449}}^1$

素因数の和:841

約数の個数: 32

約数和(自身を含む): 323481600

約数和(自身を除く): 115279851

約数列:

[1, 3, 7, 21, 71, 213, 311, 449, 497, 933, 1347, 1491, 2177, 3143, 6531, 9429, 22081, 31879, 66243, 95637, 139639, 154567, 223153, 418917, 463701, 669459, 977473, 2932419, 9914369, 29743107, 69400583, 208201749]

約数ペア:

[(1, 208201749), (3, 69400583), (7, 29743107), (21, 9914369), (71, 2932419), (213, 977473), (311, 669459), (449, 463701), (497, 418917), (933, 223153), (1347, 154567), (1491, 139639), (2177, 95637), (3143, 66243), (6531, 31879), (9429, 22081)]