1990104543

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{734627}}^1$

素因数の和:734683

約数の個数: 24

約数和(自身を含む): 3361657728

約数和(自身を除く): 1371553185

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 734627, 2203881, 5142389, 6611643, 15427167, 31588961, 46281501, 94766883, 221122727, 284300649, 663368181, 1990104543]

約数ペア:

[(1, 1990104543), (3, 663368181), (7, 284300649), (9, 221122727), (21, 94766883), (43, 46281501), (63, 31588961), (129, 15427167), (301, 6611643), (387, 5142389), (903, 2203881), (2709, 734627)]