208683459

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{25013}}^1$

素因数の和:25128

約数の個数: 20

約数和(自身を含む): 314776176

約数和(自身を除く): 106092717

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 25013, 75039, 225117, 675351, 2026053, 2576339, 7729017, 23187051, 69561153, 208683459]

約数ペア:

[(1, 208683459), (3, 69561153), (9, 23187051), (27, 7729017), (81, 2576339), (103, 2026053), (309, 675351), (927, 225117), (2781, 75039), (8343, 25013)]