81636711

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 128768640

約数和(自身を除く): 47131929

約数列:

[1, 3, 13, 19, 29, 39, 57, 87, 131, 247, 377, 393, 551, 741, 841, 1131, 1653, 1703, 2489, 2523, 3799, 5109, 7163, 7467, 10933, 11397, 15979, 21489, 32357, 32799, 47937, 49387, 72181, 97071, 110171, 148161, 207727, 216543, 330513, 623181, 938353, 1432223, 2093249, 2815059, 4296669, 6279747, 27212237, 81636711]

約数ペア:

[(1, 81636711), (3, 27212237), (13, 6279747), (19, 4296669), (29, 2815059), (39, 2093249), (57, 1432223), (87, 938353), (131, 623181), (247, 330513), (377, 216543), (393, 207727), (551, 148161), (741, 110171), (841, 97071), (1131, 72181), (1653, 49387), (1703, 47937), (2489, 32799), (2523, 32357), (3799, 21489), (5109, 15979), (7163, 11397), (7467, 10933)]