2018897721

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{353}}^1\times {\mathrm{5939}}^1$

素因数の和:6405

約数の個数: 24

約数和(自身を含む): 2952275040

約数和(自身を除く): 933377319

約数列:

[1, 3, 9, 107, 321, 353, 963, 1059, 3177, 5939, 17817, 37771, 53451, 113313, 339939, 635473, 1906419, 2096467, 5719257, 6289401, 18868203, 224321969, 672965907, 2018897721]

約数ペア:

[(1, 2018897721), (3, 672965907), (9, 224321969), (107, 18868203), (321, 6289401), (353, 5719257), (963, 2096467), (1059, 1906419), (3177, 635473), (5939, 339939), (17817, 113313), (37771, 53451)]