12897129

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 20459520

約数和(自身を除く): 7562391

約数列:

[1, 3, 7, 21, 47, 73, 141, 179, 219, 329, 511, 537, 987, 1253, 1533, 3431, 3759, 8413, 10293, 13067, 24017, 25239, 39201, 58891, 72051, 91469, 176673, 274407, 614149, 1842447, 4299043, 12897129]

約数ペア:

[(1, 12897129), (3, 4299043), (7, 1842447), (21, 614149), (47, 274407), (73, 176673), (141, 91469), (179, 72051), (219, 58891), (329, 39201), (511, 25239), (537, 24017), (987, 13067), (1253, 10293), (1533, 8413), (3431, 3759)]