12981549

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1259}}^1$

素因数の和:1760

約数の個数: 16

約数和(自身を含む): 19837440

約数和(自身を除く): 6855891

約数列:

[1, 3, 7, 21, 491, 1259, 1473, 3437, 3777, 8813, 10311, 26439, 618169, 1854507, 4327183, 12981549]

約数ペア:

[(1, 12981549), (3, 4327183), (7, 1854507), (21, 618169), (491, 26439), (1259, 10311), (1473, 8813), (3437, 3777)]