12904899

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4421}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 19810560

約数和(自身を除く): 6905661

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 4421, 13263, 30947, 92841, 614519, 1843557, 4301633, 12904899]

約数ペア:

[(1, 12904899), (3, 4301633), (7, 1843557), (21, 614519), (139, 92841), (417, 30947), (973, 13263), (2919, 4421)]