78182901

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{22447}}^1$

素因数の和:22502

約数の個数: 20

約数和(自身を含む): 119513152

約数和(自身を除く): 41330251

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 22447, 67341, 202023, 606069, 965221, 1818207, 2895663, 8686989, 26060967, 78182901]

約数ペア:

[(1, 78182901), (3, 26060967), (9, 8686989), (27, 2895663), (43, 1818207), (81, 965221), (129, 606069), (387, 202023), (1161, 67341), (3483, 22447)]