2559621

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 16

約数和(自身を含む): 3535488

約数和(自身を除く): 975867

約数列:

[1, 3, 61, 71, 183, 197, 213, 591, 4331, 12017, 12993, 13987, 36051, 41961, 853207, 2559621]

約数ペア:

[(1, 2559621), (3, 853207), (61, 41961), (71, 36051), (183, 13987), (197, 12993), (213, 12017), (591, 4331)]