17115819

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 27116544

約数和(自身を除く): 10000725

約数列:

[1, 3, 7, 21, 41, 103, 123, 193, 287, 309, 579, 721, 861, 1351, 2163, 4053, 4223, 7913, 12669, 19879, 23739, 29561, 55391, 59637, 88683, 139153, 166173, 417459, 815039, 2445117, 5705273, 17115819]

約数ペア:

[(1, 17115819), (3, 5705273), (7, 2445117), (21, 815039), (41, 417459), (103, 166173), (123, 139153), (193, 88683), (287, 59637), (309, 55391), (579, 29561), (721, 23739), (861, 19879), (1351, 12669), (2163, 7913), (4053, 4223)]