16921035

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 32607360

約数和(自身を除く): 15686325

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 73, 85, 101, 135, 153, 219, 255, 303, 365, 459, 505, 657, 765, 909, 1095, 1241, 1515, 1717, 1971, 2295, 2727, 3285, 3723, 4545, 5151, 6205, 7373, 8585, 9855, 11169, 13635, 15453, 18615, 22119, 25755, 33507, 36865, 46359, 55845, 66357, 77265, 110595, 125341, 167535, 199071, 231795, 331785, 376023, 626705, 995355, 1128069, 1880115, 3384207, 5640345, 16921035]

約数ペア:

[(1, 16921035), (3, 5640345), (5, 3384207), (9, 1880115), (15, 1128069), (17, 995355), (27, 626705), (45, 376023), (51, 331785), (73, 231795), (85, 199071), (101, 167535), (135, 125341), (153, 110595), (219, 77265), (255, 66357), (303, 55845), (365, 46359), (459, 36865), (505, 33507), (657, 25755), (765, 22119), (909, 18615), (1095, 15453), (1241, 13635), (1515, 11169), (1717, 9855), (1971, 8585), (2295, 7373), (2727, 6205), (3285, 5151), (3723, 4545)]