12149919

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2532

約数の個数: 20

約数和(自身を含む): 18454920

約数和(自身を除く): 6305001

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 2459, 4941, 7377, 22131, 66393, 149999, 199179, 449997, 1349991, 4049973, 12149919]

約数ペア:

[(1, 12149919), (3, 4049973), (9, 1349991), (27, 449997), (61, 199179), (81, 149999), (183, 66393), (549, 22131), (1647, 7377), (2459, 4941)]