1999405719

素因数分解:

$3^2\times {\mathrm{4523}}^1\times {\mathrm{49117}}^1$

素因数の和:53646

約数の個数: 12

約数和(自身を含む): 2888727816

約数和(自身を除く): 889322097

約数列:

[1, 3, 9, 4523, 13569, 40707, 49117, 147351, 442053, 222156191, 666468573, 1999405719]

約数ペア:

[(1, 1999405719), (3, 666468573), (9, 222156191), (4523, 442053), (13569, 147351), (40707, 49117)]