81266367

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2731}}^1$

素因数の和:2863

約数の個数: 32

約数和(自身を含む): 134632960

約数和(自身を除く): 53366593

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 2731, 4251, 8193, 9919, 19117, 29757, 35503, 57351, 106509, 248521, 297679, 745563, 893037, 2083753, 3869827, 6251259, 11609481, 27088789, 81266367]

約数ペア:

[(1, 81266367), (3, 27088789), (7, 11609481), (13, 6251259), (21, 3869827), (39, 2083753), (91, 893037), (109, 745563), (273, 297679), (327, 248521), (763, 106509), (1417, 57351), (2289, 35503), (2731, 29757), (4251, 19117), (8193, 9919)]