12746889

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{9257}}^1$

素因数の和:9286

約数の個数: 20

約数和(自身を含む): 20163924

約数和(自身を除く): 7417035

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 9257, 27771, 83313, 157369, 249939, 472107, 749817, 1416321, 4248963, 12746889]

約数ペア:

[(1, 12746889), (3, 4248963), (9, 1416321), (17, 749817), (27, 472107), (51, 249939), (81, 157369), (153, 83313), (459, 27771), (1377, 9257)]