28996850205

素因数分解:

$3^4\times 5^1\times {\mathrm{3109}}^1\times {\mathrm{23029}}^1$

素因数の和:26155

約数の個数: 40

約数和(自身を含む): 51998515800

約数和(自身を除く): 23001665595

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3109, 9327, 15545, 23029, 27981, 46635, 69087, 83943, 115145, 139905, 207261, 251829, 345435, 419715, 621783, 1036305, 1259145, 1865349, 3108915, 9326745, 71597161, 214791483, 357985805, 644374449, 1073957415, 1933123347, 3221872245, 5799370041, 9665616735, 28996850205]

約数ペア:

[(1, 28996850205), (3, 9665616735), (5, 5799370041), (9, 3221872245), (15, 1933123347), (27, 1073957415), (45, 644374449), (81, 357985805), (135, 214791483), (405, 71597161), (3109, 9326745), (9327, 3108915), (15545, 1865349), (23029, 1259145), (27981, 1036305), (46635, 621783), (69087, 419715), (83943, 345435), (115145, 251829), (139905, 207261)]