638732007

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1391573}}^1$

素因数の和:1391599

約数の個数: 16

約数和(自身を含む): 1001933280

約数和(自身を除く): 363201273

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1391573, 4174719, 12524157, 23656741, 37572471, 70970223, 212910669, 638732007]

約数ペア:

[(1, 638732007), (3, 212910669), (9, 70970223), (17, 37572471), (27, 23656741), (51, 12524157), (153, 4174719), (459, 1391573)]