12480507

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 21131040

約数和(自身を除く): 8650533

約数列:

[1, 3, 9, 13, 27, 31, 37, 39, 93, 111, 117, 279, 333, 351, 403, 481, 837, 961, 999, 1147, 1209, 1443, 2883, 3441, 3627, 4329, 8649, 10323, 10881, 12493, 12987, 14911, 25947, 30969, 35557, 37479, 44733, 106671, 112437, 134199, 320013, 337311, 402597, 462241, 960039, 1386723, 4160169, 12480507]

約数ペア:

[(1, 12480507), (3, 4160169), (9, 1386723), (13, 960039), (27, 462241), (31, 402597), (37, 337311), (39, 320013), (93, 134199), (111, 112437), (117, 106671), (279, 44733), (333, 37479), (351, 35557), (403, 30969), (481, 25947), (837, 14911), (961, 12987), (999, 12493), (1147, 10881), (1209, 10323), (1443, 8649), (2883, 4329), (3441, 3627)]