7247457

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 12984192

約数和(自身を除く): 5736735

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 67, 101, 119, 153, 201, 303, 357, 469, 603, 707, 909, 1071, 1139, 1407, 1717, 2121, 3417, 4221, 5151, 6363, 6767, 7973, 10251, 12019, 15453, 20301, 23919, 36057, 47369, 60903, 71757, 108171, 115039, 142107, 345117, 426321, 805273, 1035351, 2415819, 7247457]

約数ペア:

[(1, 7247457), (3, 2415819), (7, 1035351), (9, 805273), (17, 426321), (21, 345117), (51, 142107), (63, 115039), (67, 108171), (101, 71757), (119, 60903), (153, 47369), (201, 36057), (303, 23919), (357, 20301), (469, 15453), (603, 12019), (707, 10251), (909, 7973), (1071, 6767), (1139, 6363), (1407, 5151), (1717, 4221), (2121, 3417)]