78372009

素因数分解:

$3^3\times {\mathrm{977}}^1\times {\mathrm{2971}}^1$

素因数の和:3957

約数の個数: 16

約数和(自身を含む): 116264640

約数和(自身を除く): 37892631

約数列:

[1, 3, 9, 27, 977, 2931, 2971, 8793, 8913, 26379, 26739, 80217, 2902667, 8708001, 26124003, 78372009]

約数ペア:

[(1, 78372009), (3, 26124003), (9, 8708001), (27, 2902667), (977, 80217), (2931, 26739), (2971, 26379), (8793, 8913)]