38849895

素因数分解:

$3^3\times 5^1\times 7^3\times {\mathrm{839}}^1$

素因数の和:874

約数の個数: 64

約数和(自身を含む): 80640000

約数和(自身を除く): 41790105

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 343, 441, 735, 839, 945, 1029, 1323, 1715, 2205, 2517, 3087, 4195, 5145, 5873, 6615, 7551, 9261, 12585, 15435, 17619, 22653, 29365, 37755, 41111, 46305, 52857, 88095, 113265, 123333, 158571, 205555, 264285, 287777, 369999, 616665, 792855, 863331, 1109997, 1438885, 1849995, 2589993, 4316655, 5549985, 7769979, 12949965, 38849895]

約数ペア:

[(1, 38849895), (3, 12949965), (5, 7769979), (7, 5549985), (9, 4316655), (15, 2589993), (21, 1849995), (27, 1438885), (35, 1109997), (45, 863331), (49, 792855), (63, 616665), (105, 369999), (135, 287777), (147, 264285), (189, 205555), (245, 158571), (315, 123333), (343, 113265), (441, 88095), (735, 52857), (839, 46305), (945, 41111), (1029, 37755), (1323, 29365), (1715, 22653), (2205, 17619), (2517, 15435), (3087, 12585), (4195, 9261), (5145, 7551), (5873, 6615)]