205121721

素因数分解:

$3^1\times 7^1\times {\mathrm{1601}}^1\times {\mathrm{6101}}^1$

素因数の和:7712

約数の個数: 16

約数和(自身を含む): 312812928

約数和(自身を除く): 107691207

約数列:

[1, 3, 7, 21, 1601, 4803, 6101, 11207, 18303, 33621, 42707, 128121, 9767701, 29303103, 68373907, 205121721]

約数ペア:

[(1, 205121721), (3, 68373907), (7, 29303103), (21, 9767701), (1601, 128121), (4803, 42707), (6101, 33621), (11207, 18303)]