28402275

素因数分解:

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

素因数の和:396

約数の個数: 48

約数和(自身を含む): 51782400

約数和(自身を除く): 23380125

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 173, 199, 275, 519, 597, 825, 865, 995, 1903, 2189, 2595, 2985, 4325, 4975, 5709, 6567, 9515, 10945, 12975, 14925, 28545, 32835, 34427, 47575, 54725, 103281, 142725, 164175, 172135, 378697, 516405, 860675, 1136091, 1893485, 2582025, 5680455, 9467425, 28402275]

約数ペア:

[(1, 28402275), (3, 9467425), (5, 5680455), (11, 2582025), (15, 1893485), (25, 1136091), (33, 860675), (55, 516405), (75, 378697), (165, 172135), (173, 164175), (199, 142725), (275, 103281), (519, 54725), (597, 47575), (825, 34427), (865, 32835), (995, 28545), (1903, 14925), (2189, 12975), (2595, 10945), (2985, 9515), (4325, 6567), (4975, 5709)]