203940747

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{109469}}^1$

素因数の和:109504

約数の個数: 20

約数和(自身を含む): 317900880

約数和(自身を除く): 113960133

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 109469, 328407, 985221, 2517787, 2955663, 7553361, 8866989, 22660083, 67980249, 203940747]

約数ペア:

[(1, 203940747), (3, 67980249), (9, 22660083), (23, 8866989), (27, 7553361), (69, 2955663), (81, 2517787), (207, 985221), (621, 328407), (1863, 109469)]