27216945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 28908495

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 83, 105, 135, 189, 249, 315, 347, 415, 581, 747, 945, 1041, 1245, 1735, 1743, 2241, 2429, 2905, 3123, 3735, 5205, 5229, 7287, 8715, 9369, 11205, 12145, 15615, 15687, 21861, 26145, 28801, 36435, 46845, 65583, 78435, 86403, 109305, 144005, 201607, 259209, 327915, 432015, 604821, 777627, 1008035, 1296045, 1814463, 3024105, 3888135, 5443389, 9072315, 27216945]

約数ペア:

[(1, 27216945), (3, 9072315), (5, 5443389), (7, 3888135), (9, 3024105), (15, 1814463), (21, 1296045), (27, 1008035), (35, 777627), (45, 604821), (63, 432015), (83, 327915), (105, 259209), (135, 201607), (189, 144005), (249, 109305), (315, 86403), (347, 78435), (415, 65583), (581, 46845), (747, 36435), (945, 28801), (1041, 26145), (1245, 21861), (1735, 15687), (1743, 15615), (2241, 12145), (2429, 11205), (2905, 9369), (3123, 8715), (3735, 7287), (5205, 5229)]