80268939

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^2$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 126202440

約数和(自身を除く): 45933501

約数列:

[1, 3, 9, 19, 41, 57, 107, 123, 171, 321, 369, 779, 963, 2033, 2337, 4387, 6099, 7011, 11449, 13161, 18297, 34347, 39483, 83353, 103041, 217531, 250059, 469409, 652593, 750177, 1408227, 1957779, 4224681, 8918771, 26756313, 80268939]

約数ペア:

[(1, 80268939), (3, 26756313), (9, 8918771), (19, 4224681), (41, 1957779), (57, 1408227), (107, 750177), (123, 652593), (171, 469409), (321, 250059), (369, 217531), (779, 103041), (963, 83353), (2033, 39483), (2337, 34347), (4387, 18297), (6099, 13161), (7011, 11449)]