212555475

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28627}}^1$

素因数の和:28657

約数の個数: 48

約数和(自身を含む): 425984640

約数和(自身を除く): 213429165

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 45, 55, 75, 99, 135, 165, 225, 275, 297, 495, 675, 825, 1485, 2475, 7425, 28627, 85881, 143135, 257643, 314897, 429405, 715675, 772929, 944691, 1288215, 1574485, 2147025, 2834073, 3864645, 4723455, 6441075, 7872425, 8502219, 14170365, 19323225, 23617275, 42511095, 70851825, 212555475]

約数ペア:

[(1, 212555475), (3, 70851825), (5, 42511095), (9, 23617275), (11, 19323225), (15, 14170365), (25, 8502219), (27, 7872425), (33, 6441075), (45, 4723455), (55, 3864645), (75, 2834073), (99, 2147025), (135, 1574485), (165, 1288215), (225, 944691), (275, 772929), (297, 715675), (495, 429405), (675, 314897), (825, 257643), (1485, 143135), (2475, 85881), (7425, 28627)]