78039531

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{8839}}^1$

素因数の和:8960

約数の個数: 20

約数和(自身を含む): 117660400

約数和(自身を除く): 39620869

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 8839, 26517, 79551, 238653, 715959, 963451, 2890353, 8671059, 26013177, 78039531]

約数ペア:

[(1, 78039531), (3, 26013177), (9, 8671059), (27, 2890353), (81, 963451), (109, 715959), (327, 238653), (981, 79551), (2943, 26517), (8829, 8839)]