205121397

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{276817}}^1$

素因数の和:276852

約数の個数: 16

約数和(自身を含む): 310036160

約数和(自身を除く): 104914763

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 276817, 830451, 3598621, 5259523, 10795863, 15778569, 68373799, 205121397]

約数ペア:

[(1, 205121397), (3, 68373799), (13, 15778569), (19, 10795863), (39, 5259523), (57, 3598621), (247, 830451), (741, 276817)]