1921927

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 12

約数和(自身を含む): 2275896

約数和(自身を除く): 353969

約数列:

[1, 7, 49, 61, 427, 643, 2989, 4501, 31507, 39223, 274561, 1921927]

約数ペア:

[(1, 1921927), (7, 274561), (49, 39223), (61, 31507), (427, 4501), (643, 2989)]