205103613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25163}}^1$

素因数の和:25209

約数の個数: 32

約数和(自身を含む): 338204160

約数和(自身を除く): 133100547

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 8151, 25163, 75489, 276793, 327119, 478097, 830379, 981357, 1434291, 3598309, 5259067, 6215261, 10794927, 15777201, 18645783, 68367871, 205103613]

約数ペア:

[(1, 205103613), (3, 68367871), (11, 18645783), (13, 15777201), (19, 10794927), (33, 6215261), (39, 5259067), (57, 3598309), (143, 1434291), (209, 981357), (247, 830379), (429, 478097), (627, 327119), (741, 276793), (2717, 75489), (8151, 25163)]