78138027

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{87697}}^1$

素因数の和:87720

約数の個数: 20

約数和(自身を含む): 127337496

約数和(自身を除く): 49199469

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 87697, 263091, 789273, 964667, 2367819, 2894001, 7103457, 8682003, 26046009, 78138027]

約数ペア:

[(1, 78138027), (3, 26046009), (9, 8682003), (11, 7103457), (27, 2894001), (33, 2367819), (81, 964667), (99, 789273), (297, 263091), (891, 87697)]