81543105

素因数分解:

$3^4\times 5^1\times 7^3\times {\mathrm{587}}^1$

素因数の和:625

約数の個数: 80

約数和(自身を含む): 170755200

約数和(自身を除く): 89212095

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 245, 315, 343, 405, 441, 567, 587, 735, 945, 1029, 1323, 1715, 1761, 2205, 2835, 2935, 3087, 3969, 4109, 5145, 5283, 6615, 8805, 9261, 12327, 15435, 15849, 19845, 20545, 26415, 27783, 28763, 36981, 46305, 47547, 61635, 79245, 86289, 110943, 138915, 143815, 184905, 201341, 237735, 258867, 332829, 431445, 554715, 604023, 776601, 1006705, 1294335, 1664145, 1812069, 2329803, 3020115, 3883005, 5436207, 9060345, 11649015, 16308621, 27181035, 81543105]

約数ペア:

[(1, 81543105), (3, 27181035), (5, 16308621), (7, 11649015), (9, 9060345), (15, 5436207), (21, 3883005), (27, 3020115), (35, 2329803), (45, 1812069), (49, 1664145), (63, 1294335), (81, 1006705), (105, 776601), (135, 604023), (147, 554715), (189, 431445), (245, 332829), (315, 258867), (343, 237735), (405, 201341), (441, 184905), (567, 143815), (587, 138915), (735, 110943), (945, 86289), (1029, 79245), (1323, 61635), (1715, 47547), (1761, 46305), (2205, 36981), (2835, 28763), (2935, 27783), (3087, 26415), (3969, 20545), (4109, 19845), (5145, 15849), (5283, 15435), (6615, 12327), (8805, 9261)]