209340285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{16477}}^1$

素因数の和:16514

約数の個数: 48

約数和(自身を含む): 420782208

約数和(自身を除く): 211441923

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1815, 2541, 4235, 12705, 16477, 49431, 82385, 115339, 181247, 247155, 346017, 543741, 576695, 906235, 1268729, 1730085, 1993717, 2718705, 3806187, 5981151, 6343645, 9968585, 13956019, 19030935, 29905755, 41868057, 69780095, 209340285]

約数ペア:

[(1, 209340285), (3, 69780095), (5, 41868057), (7, 29905755), (11, 19030935), (15, 13956019), (21, 9968585), (33, 6343645), (35, 5981151), (55, 3806187), (77, 2718705), (105, 1993717), (121, 1730085), (165, 1268729), (231, 906235), (363, 576695), (385, 543741), (605, 346017), (847, 247155), (1155, 181247), (1815, 115339), (2541, 82385), (4235, 49431), (12705, 16477)]