2051217513

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{199399}}^1$

素因数の和:199538

約数の個数: 20

約数和(自身を含む): 3088307200

約数和(自身を除く): 1037089687

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 10287, 199399, 598197, 1794591, 5383773, 16151319, 25323673, 75971019, 227913057, 683739171, 2051217513]

約数ペア:

[(1, 2051217513), (3, 683739171), (9, 227913057), (27, 75971019), (81, 25323673), (127, 16151319), (381, 5383773), (1143, 1794591), (3429, 598197), (10287, 199399)]