16872543

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{3109}}^1$

素因数の和:3188

約数の個数: 20

約数和(自身を含む): 25589080

約数和(自身を除く): 8716537

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 3109, 5427, 9327, 27981, 83943, 208303, 251829, 624909, 1874727, 5624181, 16872543]

約数ペア:

[(1, 16872543), (3, 5624181), (9, 1874727), (27, 624909), (67, 251829), (81, 208303), (201, 83943), (603, 27981), (1809, 9327), (3109, 5427)]