201690405

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{71143}}^1$

素因数の和:71167

約数の個数: 40

約数和(自身を含む): 413204352

約数和(自身を除く): 211513947

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 71143, 213429, 355715, 498001, 640287, 1067145, 1494003, 1920861, 2490005, 3201435, 4482009, 5762583, 7470015, 9604305, 13446027, 22410045, 28812915, 40338081, 67230135, 201690405]

約数ペア:

[(1, 201690405), (3, 67230135), (5, 40338081), (7, 28812915), (9, 22410045), (15, 13446027), (21, 9604305), (27, 7470015), (35, 5762583), (45, 4482009), (63, 3201435), (81, 2490005), (105, 1920861), (135, 1494003), (189, 1067145), (315, 640287), (405, 498001), (567, 355715), (945, 213429), (2835, 71143)]