71844975

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2126

約数の個数: 60

約数和(自身を含む): 140977584

約数和(自身を除く): 69132609

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 1275, 1377, 2025, 2087, 2295, 3825, 6261, 6885, 10435, 11475, 18783, 31305, 34425, 35479, 52175, 56349, 93915, 106437, 156525, 169047, 177395, 281745, 319311, 469575, 532185, 845235, 886975, 957933, 1408725, 1596555, 2660925, 2873799, 4226175, 4789665, 7982775, 14368995, 23948325, 71844975]

約数ペア:

[(1, 71844975), (3, 23948325), (5, 14368995), (9, 7982775), (15, 4789665), (17, 4226175), (25, 2873799), (27, 2660925), (45, 1596555), (51, 1408725), (75, 957933), (81, 886975), (85, 845235), (135, 532185), (153, 469575), (225, 319311), (255, 281745), (405, 177395), (425, 169047), (459, 156525), (675, 106437), (765, 93915), (1275, 56349), (1377, 52175), (2025, 35479), (2087, 34425), (2295, 31305), (3825, 18783), (6261, 11475), (6885, 10435)]