253308615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{51329}}^1$

素因数の和:51391

約数の個数: 32

約数和(自身を含む): 473057280

約数和(自身を除く): 219748665

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 51329, 153987, 256645, 359303, 769935, 1077909, 1796515, 2412463, 5389545, 7237389, 12062315, 16887241, 36186945, 50661723, 84436205, 253308615]

約数ペア:

[(1, 253308615), (3, 84436205), (5, 50661723), (7, 36186945), (15, 16887241), (21, 12062315), (35, 7237389), (47, 5389545), (105, 2412463), (141, 1796515), (235, 1077909), (329, 769935), (705, 359303), (987, 256645), (1645, 153987), (4935, 51329)]