81439902

素因数分解:

$2^1\times 3^2\times {\mathrm{331}}^1\times {\mathrm{13669}}^1$

素因数の和:14008

約数の個数: 24

約数和(自身を含む): 176999160

約数和(自身を除く): 95559258

約数列:

[1, 2, 3, 6, 9, 18, 331, 662, 993, 1986, 2979, 5958, 13669, 27338, 41007, 82014, 123021, 246042, 4524439, 9048878, 13573317, 27146634, 40719951, 81439902]

約数ペア:

[(1, 81439902), (2, 40719951), (3, 27146634), (6, 13573317), (9, 9048878), (18, 4524439), (331, 246042), (662, 123021), (993, 82014), (1986, 41007), (2979, 27338), (5958, 13669)]