12041991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5417}}^1$

素因数の和:5455

約数の個数: 24

約数和(自身を含む): 19721520

約数和(自身を除く): 7679529

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 5417, 16251, 48753, 70421, 102923, 211263, 308769, 633789, 926307, 1337999, 4013997, 12041991]

約数ペア:

[(1, 12041991), (3, 4013997), (9, 1337999), (13, 926307), (19, 633789), (39, 308769), (57, 211263), (117, 102923), (171, 70421), (247, 48753), (741, 16251), (2223, 5417)]