12921027

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 20697600

約数和(自身を除く): 7776573

約数列:

[1, 3, 7, 21, 41, 43, 123, 129, 287, 301, 349, 861, 903, 1047, 1763, 2443, 5289, 7329, 12341, 14309, 15007, 37023, 42927, 45021, 100163, 105049, 300489, 315147, 615287, 1845861, 4307009, 12921027]

約数ペア:

[(1, 12921027), (3, 4307009), (7, 1845861), (21, 615287), (41, 315147), (43, 300489), (123, 105049), (129, 100163), (287, 45021), (301, 42927), (349, 37023), (861, 15007), (903, 14309), (1047, 12341), (1763, 7329), (2443, 5289)]