2560797

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 3931200

約数和(自身を除く): 1370403

約数列:

[1, 3, 9, 23, 69, 89, 139, 207, 267, 417, 801, 1251, 2047, 3197, 6141, 9591, 12371, 18423, 28773, 37113, 111339, 284533, 853599, 2560797]

約数ペア:

[(1, 2560797), (3, 853599), (9, 284533), (23, 111339), (69, 37113), (89, 28773), (139, 18423), (207, 12371), (267, 9591), (417, 6141), (801, 3197), (1251, 2047)]