205695721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{43793}}^1$

素因数の和:43872

約数の個数: 16

約数和(自身を含む): 260661888

約数和(自身を除く): 54966167

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 43793, 306551, 481723, 2671373, 3372061, 18699611, 29385103, 205695721]

約数ペア:

[(1, 205695721), (7, 29385103), (11, 18699611), (61, 3372061), (77, 2671373), (427, 481723), (671, 306551), (4697, 43793)]