201639681

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{5107}}^1$

素因数の和:5261

約数の個数: 24

約数和(自身を含む): 301208544

約数和(自身を除く): 99568863

約数列:

[1, 3, 9, 41, 107, 123, 321, 369, 963, 4387, 5107, 13161, 15321, 39483, 45963, 209387, 546449, 628161, 1639347, 1884483, 4918041, 22404409, 67213227, 201639681]

約数ペア:

[(1, 201639681), (3, 67213227), (9, 22404409), (41, 4918041), (107, 1884483), (123, 1639347), (321, 628161), (369, 546449), (963, 209387), (4387, 45963), (5107, 39483), (13161, 15321)]