12128445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 24286080

約数和(自身を除く): 12157635

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 139, 277, 315, 417, 695, 831, 973, 1251, 1385, 1939, 2085, 2493, 2919, 4155, 4865, 5817, 6255, 8757, 9695, 12465, 14595, 17451, 29085, 38503, 43785, 87255, 115509, 192515, 269521, 346527, 577545, 808563, 1347605, 1732635, 2425689, 4042815, 12128445]

約数ペア:

[(1, 12128445), (3, 4042815), (5, 2425689), (7, 1732635), (9, 1347605), (15, 808563), (21, 577545), (35, 346527), (45, 269521), (63, 192515), (105, 115509), (139, 87255), (277, 43785), (315, 38503), (417, 29085), (695, 17451), (831, 14595), (973, 12465), (1251, 9695), (1385, 8757), (1939, 6255), (2085, 5817), (2493, 4865), (2919, 4155)]