1245811

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 1645920

約数和(自身を除く): 400109

約数列:

[1, 7, 17, 19, 29, 119, 133, 203, 323, 361, 493, 551, 2261, 2527, 3451, 3857, 6137, 9367, 10469, 42959, 65569, 73283, 177973, 1245811]

約数ペア:

[(1, 1245811), (7, 177973), (17, 73283), (19, 65569), (29, 42959), (119, 10469), (133, 9367), (203, 6137), (323, 3857), (361, 3451), (493, 2527), (551, 2261)]