12891507

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:850

約数の個数: 16

約数和(自身を含む): 17743488

約数和(自身を除く): 4851981

約数列:

[1, 3, 41, 123, 163, 489, 643, 1929, 6683, 20049, 26363, 79089, 104809, 314427, 4297169, 12891507]

約数ペア:

[(1, 12891507), (3, 4297169), (41, 314427), (123, 104809), (163, 79089), (489, 26363), (643, 20049), (1929, 6683)]