201971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 16

約数和(自身を含む): 261888

約数和(自身を除く): 59917

約数列:

[1, 7, 11, 43, 61, 77, 301, 427, 473, 671, 2623, 3311, 4697, 18361, 28853, 201971]

約数ペア:

[(1, 201971), (7, 28853), (11, 18361), (43, 4697), (61, 3311), (77, 2623), (301, 671), (427, 473)]