206857305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{106903}}^1$

素因数の和:106957

約数の個数: 24

約数和(自身を含む): 366894528

約数和(自身を除く): 160037223

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 106903, 320709, 534515, 962127, 1603545, 4596829, 4810635, 13790487, 22984145, 41371461, 68952435, 206857305]

約数ペア:

[(1, 206857305), (3, 68952435), (5, 41371461), (9, 22984145), (15, 13790487), (43, 4810635), (45, 4596829), (129, 1603545), (215, 962127), (387, 534515), (645, 320709), (1935, 106903)]