12918789

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 20300280

約数和(自身を除く): 7381491

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1013, 1417, 3039, 4251, 9117, 12753, 13169, 39507, 110417, 118521, 331251, 993753, 1435421, 4306263, 12918789]

約数ペア:

[(1, 12918789), (3, 4306263), (9, 1435421), (13, 993753), (39, 331251), (109, 118521), (117, 110417), (327, 39507), (981, 13169), (1013, 12753), (1417, 9117), (3039, 4251)]