18428391

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1487}}^1$

素因数の和:1522

約数の個数: 28

約数和(自身を含む): 29274912

約数和(自身を除く): 10846521

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1487, 4131, 4461, 12393, 13383, 25279, 40149, 75837, 120447, 227511, 361341, 682533, 1084023, 2047599, 6142797, 18428391]

約数ペア:

[(1, 18428391), (3, 6142797), (9, 2047599), (17, 1084023), (27, 682533), (51, 361341), (81, 227511), (153, 120447), (243, 75837), (459, 40149), (729, 25279), (1377, 13383), (1487, 12393), (4131, 4461)]