71717967

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{8123}}^1$

素因数の和:8244

約数の個数: 20

約数和(自身を含む): 108130440

約数和(自身を除く): 36412473

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8123, 8829, 24369, 73107, 219321, 657963, 885407, 2656221, 7968663, 23905989, 71717967]

約数ペア:

[(1, 71717967), (3, 23905989), (9, 7968663), (27, 2656221), (81, 885407), (109, 657963), (327, 219321), (981, 73107), (2943, 24369), (8123, 8829)]