81029556

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{479}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 212459520

約数和(自身を除く): 131429964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 127, 148, 222, 254, 333, 381, 444, 479, 508, 666, 762, 958, 1143, 1332, 1437, 1524, 1916, 2286, 2874, 4311, 4572, 4699, 5748, 8622, 9398, 14097, 17244, 17723, 18796, 28194, 35446, 42291, 53169, 56388, 60833, 70892, 84582, 106338, 121666, 159507, 169164, 182499, 212676, 243332, 319014, 364998, 547497, 638028, 729996, 1094994, 2189988, 2250821, 4501642, 6752463, 9003284, 13504926, 20257389, 27009852, 40514778, 81029556]

約数ペア:

[(1, 81029556), (2, 40514778), (3, 27009852), (4, 20257389), (6, 13504926), (9, 9003284), (12, 6752463), (18, 4501642), (36, 2250821), (37, 2189988), (74, 1094994), (111, 729996), (127, 638028), (148, 547497), (222, 364998), (254, 319014), (333, 243332), (381, 212676), (444, 182499), (479, 169164), (508, 159507), (666, 121666), (762, 106338), (958, 84582), (1143, 70892), (1332, 60833), (1437, 56388), (1524, 53169), (1916, 42291), (2286, 35446), (2874, 28194), (4311, 18796), (4572, 17723), (4699, 17244), (5748, 14097), (8622, 9398)]