81439866

素因数分解:

$2^1\times 3^2\times {\mathrm{1699}}^1\times {\mathrm{2663}}^1$

素因数の和:4370

約数の個数: 24

約数和(自身を含む): 176623200

約数和(自身を除く): 95183334

約数列:

[1, 2, 3, 6, 9, 18, 1699, 2663, 3398, 5097, 5326, 7989, 10194, 15291, 15978, 23967, 30582, 47934, 4524437, 9048874, 13573311, 27146622, 40719933, 81439866]

約数ペア:

[(1, 81439866), (2, 40719933), (3, 27146622), (6, 13573311), (9, 9048874), (18, 4524437), (1699, 47934), (2663, 30582), (3398, 23967), (5097, 15978), (5326, 15291), (7989, 10194)]