16605267

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 27447552

約数和(自身を除く): 10842285

約数列:

[1, 3, 7, 21, 37, 43, 49, 71, 111, 129, 147, 213, 259, 301, 497, 777, 903, 1491, 1591, 1813, 2107, 2627, 3053, 3479, 4773, 5439, 6321, 7881, 9159, 10437, 11137, 18389, 21371, 33411, 55167, 64113, 77959, 112961, 128723, 149597, 233877, 338883, 386169, 448791, 790727, 2372181, 5535089, 16605267]

約数ペア:

[(1, 16605267), (3, 5535089), (7, 2372181), (21, 790727), (37, 448791), (43, 386169), (49, 338883), (71, 233877), (111, 149597), (129, 128723), (147, 112961), (213, 77959), (259, 64113), (301, 55167), (497, 33411), (777, 21371), (903, 18389), (1491, 11137), (1591, 10437), (1813, 9159), (2107, 7881), (2627, 6321), (3053, 5439), (3479, 4773)]