12421395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 25159680

約数和(自身を除く): 12738285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 315, 329, 423, 705, 839, 987, 1645, 2115, 2517, 2961, 4195, 4935, 5873, 7551, 12585, 14805, 17619, 29365, 37755, 39433, 52857, 88095, 118299, 197165, 264285, 276031, 354897, 591495, 828093, 1380155, 1774485, 2484279, 4140465, 12421395]

約数ペア:

[(1, 12421395), (3, 4140465), (5, 2484279), (7, 1774485), (9, 1380155), (15, 828093), (21, 591495), (35, 354897), (45, 276031), (47, 264285), (63, 197165), (105, 118299), (141, 88095), (235, 52857), (315, 39433), (329, 37755), (423, 29365), (705, 17619), (839, 14805), (987, 12585), (1645, 7551), (2115, 5873), (2517, 4935), (2961, 4195)]