667037187

素因数分解:

$3^9\times {\mathrm{33889}}^1$

素因数の和:33916

約数の個数: 20

約数和(自身を含む): 1000568360

約数和(自身を除く): 333531173

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683, 33889, 101667, 305001, 915003, 2745009, 8235027, 24705081, 74115243, 222345729, 667037187]

約数ペア:

[(1, 667037187), (3, 222345729), (9, 74115243), (27, 24705081), (81, 8235027), (243, 2745009), (729, 915003), (2187, 305001), (6561, 101667), (19683, 33889)]