12506481

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 20913984

約数和(自身を除く): 8407503

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 107, 111, 117, 243, 321, 333, 351, 481, 963, 999, 1053, 1391, 1443, 2889, 2997, 3159, 3959, 4173, 4329, 8667, 8991, 11877, 12519, 12987, 26001, 35631, 37557, 38961, 51467, 106893, 112671, 116883, 154401, 320679, 338013, 463203, 962037, 1389609, 4168827, 12506481]

約数ペア:

[(1, 12506481), (3, 4168827), (9, 1389609), (13, 962037), (27, 463203), (37, 338013), (39, 320679), (81, 154401), (107, 116883), (111, 112671), (117, 106893), (243, 51467), (321, 38961), (333, 37557), (351, 35631), (481, 26001), (963, 12987), (999, 12519), (1053, 11877), (1391, 8991), (1443, 8667), (2889, 4329), (2997, 4173), (3159, 3959)]