17831187

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 12360429

約数列:

[1, 3, 9, 11, 23, 33, 41, 69, 99, 123, 191, 207, 253, 369, 451, 573, 759, 943, 1353, 1719, 2101, 2277, 2829, 4059, 4393, 6303, 7831, 8487, 10373, 13179, 18909, 23493, 31119, 39537, 48323, 70479, 86141, 93357, 144969, 180113, 258423, 434907, 540339, 775269, 1621017, 1981243, 5943729, 17831187]

約数ペア:

[(1, 17831187), (3, 5943729), (9, 1981243), (11, 1621017), (23, 775269), (33, 540339), (41, 434907), (69, 258423), (99, 180113), (123, 144969), (191, 93357), (207, 86141), (253, 70479), (369, 48323), (451, 39537), (573, 31119), (759, 23493), (943, 18909), (1353, 13179), (1719, 10373), (2101, 8487), (2277, 7831), (2829, 6303), (4059, 4393)]