247184421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 390168576

約数和(自身を除く): 142984155

約数列:

[1, 3, 11, 31, 33, 47, 53, 93, 97, 141, 159, 291, 341, 517, 583, 1023, 1067, 1457, 1551, 1643, 1749, 2491, 3007, 3201, 4371, 4559, 4929, 5141, 7473, 9021, 13677, 15423, 16027, 18073, 27401, 33077, 48081, 50149, 54219, 56551, 77221, 82203, 99231, 141329, 150447, 159371, 169653, 231663, 241627, 423987, 478113, 724881, 849431, 1554619, 1753081, 2548293, 2657897, 4663857, 5259243, 7490437, 7973691, 22471311, 82394807, 247184421]

約数ペア:

[(1, 247184421), (3, 82394807), (11, 22471311), (31, 7973691), (33, 7490437), (47, 5259243), (53, 4663857), (93, 2657897), (97, 2548293), (141, 1753081), (159, 1554619), (291, 849431), (341, 724881), (517, 478113), (583, 423987), (1023, 241627), (1067, 231663), (1457, 169653), (1551, 159371), (1643, 150447), (1749, 141329), (2491, 99231), (3007, 82203), (3201, 77221), (4371, 56551), (4559, 54219), (4929, 50149), (5141, 48081), (7473, 33077), (9021, 27401), (13677, 18073), (15423, 16027)]