85206825

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:399

約数の個数: 72

約数和(自身を含む): 168292800

約数和(自身を除く): 83085975

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 173, 199, 225, 275, 495, 519, 597, 825, 865, 995, 1557, 1791, 1903, 2189, 2475, 2595, 2985, 4325, 4975, 5709, 6567, 7785, 8955, 9515, 10945, 12975, 14925, 17127, 19701, 28545, 32835, 34427, 38925, 44775, 47575, 54725, 85635, 98505, 103281, 142725, 164175, 172135, 309843, 378697, 428175, 492525, 516405, 860675, 1136091, 1549215, 1893485, 2582025, 3408273, 5680455, 7746075, 9467425, 17041365, 28402275, 85206825]

約数ペア:

[(1, 85206825), (3, 28402275), (5, 17041365), (9, 9467425), (11, 7746075), (15, 5680455), (25, 3408273), (33, 2582025), (45, 1893485), (55, 1549215), (75, 1136091), (99, 860675), (165, 516405), (173, 492525), (199, 428175), (225, 378697), (275, 309843), (495, 172135), (519, 164175), (597, 142725), (825, 103281), (865, 98505), (995, 85635), (1557, 54725), (1791, 47575), (1903, 44775), (2189, 38925), (2475, 34427), (2595, 32835), (2985, 28545), (4325, 19701), (4975, 17127), (5709, 14925), (6567, 12975), (7785, 10945), (8955, 9515)]