2686689

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 20

約数和(自身を含む): 4116420

約数和(自身を除く): 1429731

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 809, 1107, 2427, 3321, 7281, 21843, 33169, 65529, 99507, 298521, 895563, 2686689]

約数ペア:

[(1, 2686689), (3, 895563), (9, 298521), (27, 99507), (41, 65529), (81, 33169), (123, 21843), (369, 7281), (809, 3321), (1107, 2427)]