2560719

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 16

約数和(自身を含む): 3968000

約数和(自身を除く): 1407281

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1999, 5997, 13993, 41979, 121939, 365817, 853573, 2560719]

約数ペア:

[(1, 2560719), (3, 853573), (7, 365817), (21, 121939), (61, 41979), (183, 13993), (427, 5997), (1281, 1999)]