47513439

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 72960000

約数和(自身を除く): 25446561

約数列:

[1, 3, 9, 27, 37, 111, 199, 239, 333, 597, 717, 999, 1791, 2151, 5373, 6453, 7363, 8843, 22089, 26529, 47561, 66267, 79587, 142683, 198801, 238761, 428049, 1284147, 1759757, 5279271, 15837813, 47513439]

約数ペア:

[(1, 47513439), (3, 15837813), (9, 5279271), (27, 1759757), (37, 1284147), (111, 428049), (199, 238761), (239, 198801), (333, 142683), (597, 79587), (717, 66267), (999, 47561), (1791, 26529), (2151, 22089), (5373, 8843), (6453, 7363)]