205348521

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227407}}^1$

素因数の和:227460

約数の個数: 16

約数和(自身を含む): 320190464

約数和(自身を除く): 114841943

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 227407, 682221, 1591849, 4775547, 9778501, 29335503, 68449507, 205348521]

約数ペア:

[(1, 205348521), (3, 68449507), (7, 29335503), (21, 9778501), (43, 4775547), (129, 1591849), (301, 682221), (903, 227407)]