17950737

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 28407808

約数和(自身を除く): 10457071

約数列:

[1, 3, 7, 21, 43, 103, 129, 193, 301, 309, 579, 721, 903, 1351, 2163, 4053, 4429, 8299, 13287, 19879, 24897, 31003, 58093, 59637, 93009, 139153, 174279, 417459, 854797, 2564391, 5983579, 17950737]

約数ペア:

[(1, 17950737), (3, 5983579), (7, 2564391), (21, 854797), (43, 417459), (103, 174279), (129, 139153), (193, 93009), (301, 59637), (309, 58093), (579, 31003), (721, 24897), (903, 19879), (1351, 13287), (2163, 8299), (4053, 4429)]