81667782

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4663}}^1$

素因数の和:4817

約数の個数: 48

約数和(自身を含む): 203723520

約数和(自身を除く): 122055738

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1251, 1946, 2502, 2919, 4663, 5838, 8757, 9326, 13989, 17514, 27978, 32641, 41967, 65282, 83934, 97923, 195846, 293769, 587538, 648157, 1296314, 1944471, 3888942, 4537099, 5833413, 9074198, 11666826, 13611297, 27222594, 40833891, 81667782]

約数ペア:

[(1, 81667782), (2, 40833891), (3, 27222594), (6, 13611297), (7, 11666826), (9, 9074198), (14, 5833413), (18, 4537099), (21, 3888942), (42, 1944471), (63, 1296314), (126, 648157), (139, 587538), (278, 293769), (417, 195846), (834, 97923), (973, 83934), (1251, 65282), (1946, 41967), (2502, 32641), (2919, 27978), (4663, 17514), (5838, 13989), (8757, 9326)]