13809857265

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2005789}}^1$

素因数の和:2005823

約数の個数: 40

約数和(自身を含む): 26211663720

約数和(自身を除く): 12401806455

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 2005789, 6017367, 10028945, 18052101, 30086835, 34098413, 54156303, 90260505, 102295239, 162468909, 170492065, 270781515, 306885717, 511476195, 812344545, 920657151, 1534428585, 2761971453, 4603285755, 13809857265]

約数ペア:

[(1, 13809857265), (3, 4603285755), (5, 2761971453), (9, 1534428585), (15, 920657151), (17, 812344545), (27, 511476195), (45, 306885717), (51, 270781515), (81, 170492065), (85, 162468909), (135, 102295239), (153, 90260505), (255, 54156303), (405, 34098413), (459, 30086835), (765, 18052101), (1377, 10028945), (2295, 6017367), (6885, 2005789)]