206960775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{394211}}^1$

素因数の和:394231

約数の個数: 24

約数和(自身を含む): 391058304

約数和(自身を除く): 184097529

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 394211, 1182633, 1971055, 2759477, 5913165, 8278431, 9855275, 13797385, 29565825, 41392155, 68986925, 206960775]

約数ペア:

[(1, 206960775), (3, 68986925), (5, 41392155), (7, 29565825), (15, 13797385), (21, 9855275), (25, 8278431), (35, 5913165), (75, 2759477), (105, 1971055), (175, 1182633), (525, 394211)]