2021081295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{43789}}^1$

素因数の和:43995

約数の個数: 32

約数和(自身を含む): 3442944960

約数和(自身を除く): 1421863665

約数列:

[1, 3, 5, 15, 17, 51, 85, 181, 255, 543, 905, 2715, 3077, 9231, 15385, 43789, 46155, 131367, 218945, 656835, 744413, 2233239, 3722065, 7925809, 11166195, 23777427, 39629045, 118887135, 134738753, 404216259, 673693765, 2021081295]

約数ペア:

[(1, 2021081295), (3, 673693765), (5, 404216259), (15, 134738753), (17, 118887135), (51, 39629045), (85, 23777427), (181, 11166195), (255, 7925809), (543, 3722065), (905, 2233239), (2715, 744413), (3077, 656835), (9231, 218945), (15385, 131367), (43789, 46155)]