12179979

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 36

約数和(自身を含む): 20807280

約数和(自身を除く): 8627301

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 389, 441, 497, 639, 1167, 1491, 2723, 3479, 3501, 4473, 8169, 10437, 19061, 24507, 27619, 31311, 57183, 82857, 171549, 193333, 248571, 579999, 1353331, 1739997, 4059993, 12179979]

約数ペア:

[(1, 12179979), (3, 4059993), (7, 1739997), (9, 1353331), (21, 579999), (49, 248571), (63, 193333), (71, 171549), (147, 82857), (213, 57183), (389, 31311), (441, 27619), (497, 24507), (639, 19061), (1167, 10437), (1491, 8169), (2723, 4473), (3479, 3501)]