213979105

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{2341}}^1$

素因数の和:2628

約数の個数: 16

約数和(自身を含む): 260861328

約数和(自身を除く): 46882223

約数列:

[1, 5, 101, 181, 505, 905, 2341, 11705, 18281, 91405, 236441, 423721, 1182205, 2118605, 42795821, 213979105]

約数ペア:

[(1, 213979105), (5, 42795821), (101, 2118605), (181, 1182205), (505, 423721), (905, 236441), (2341, 91405), (11705, 18281)]