20250405

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{2381}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 41618304

約数和(自身を除く): 21367899

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2381, 2835, 7143, 8505, 11905, 16667, 21429, 35715, 50001, 64287, 83335, 107145, 150003, 192861, 250005, 321435, 450009, 578583, 750015, 964305, 1350027, 2250045, 2892915, 4050081, 6750135, 20250405]

約数ペア:

[(1, 20250405), (3, 6750135), (5, 4050081), (7, 2892915), (9, 2250045), (15, 1350027), (21, 964305), (27, 750015), (35, 578583), (45, 450009), (63, 321435), (81, 250005), (105, 192861), (135, 150003), (189, 107145), (243, 83335), (315, 64287), (405, 50001), (567, 35715), (945, 21429), (1215, 16667), (1701, 11905), (2381, 8505), (2835, 7143)]