12223431

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 20487168

約数和(自身を除く): 8263737

約数列:

[1, 3, 9, 11, 33, 37, 47, 71, 99, 111, 141, 213, 333, 407, 423, 517, 639, 781, 1221, 1551, 1739, 2343, 2627, 3337, 3663, 4653, 5217, 7029, 7881, 10011, 15651, 19129, 23643, 28897, 30033, 36707, 57387, 86691, 110121, 123469, 172161, 260073, 330363, 370407, 1111221, 1358159, 4074477, 12223431]

約数ペア:

[(1, 12223431), (3, 4074477), (9, 1358159), (11, 1111221), (33, 370407), (37, 330363), (47, 260073), (71, 172161), (99, 123469), (111, 110121), (141, 86691), (213, 57387), (333, 36707), (407, 30033), (423, 28897), (517, 23643), (639, 19129), (781, 15651), (1221, 10011), (1551, 7881), (1739, 7029), (2343, 5217), (2627, 4653), (3337, 3663)]