81255489

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{30467}}^1$

素因数の和:30604

約数の個数: 16

約数和(自身を含む): 124796928

約数和(自身を除く): 43541439

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 30467, 91401, 213269, 639807, 3869309, 11607927, 27085163, 81255489]

約数ペア:

[(1, 81255489), (3, 27085163), (7, 11607927), (21, 3869309), (127, 639807), (381, 213269), (889, 91401), (2667, 30467)]