81442881

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{701}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 130515840

約数和(自身を除く): 49072959

約数列:

[1, 3, 9, 13, 27, 39, 117, 331, 351, 701, 993, 2103, 2979, 4303, 6309, 8937, 9113, 12909, 18927, 27339, 38727, 82017, 116181, 232031, 246051, 696093, 2088279, 3016403, 6264837, 9049209, 27147627, 81442881]

約数ペア:

[(1, 81442881), (3, 27147627), (9, 9049209), (13, 6264837), (27, 3016403), (39, 2088279), (117, 696093), (331, 246051), (351, 232031), (701, 116181), (993, 82017), (2103, 38727), (2979, 27339), (4303, 18927), (6309, 12909), (8937, 9113)]