12879321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 22487040

約数和(自身を除く): 9607719

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 191, 247, 273, 399, 507, 573, 741, 1183, 1337, 1729, 2483, 3211, 3549, 3629, 4011, 5187, 7449, 9633, 10887, 17381, 22477, 25403, 32279, 47177, 52143, 67431, 76209, 96837, 141531, 225953, 330239, 613301, 677859, 990717, 1839903, 4293107, 12879321]

約数ペア:

[(1, 12879321), (3, 4293107), (7, 1839903), (13, 990717), (19, 677859), (21, 613301), (39, 330239), (57, 225953), (91, 141531), (133, 96837), (169, 76209), (191, 67431), (247, 52143), (273, 47177), (399, 32279), (507, 25403), (573, 22477), (741, 17381), (1183, 10887), (1337, 9633), (1729, 7449), (2483, 5187), (3211, 4011), (3549, 3629)]