211232691

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{42751}}^1$

素因数の和:42824

約数の個数: 20

約数和(自身を含む): 320725504

約数和(自身を除く): 109492813

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 42751, 128253, 384759, 1154277, 2607811, 3462831, 7823433, 23470299, 70410897, 211232691]

約数ペア:

[(1, 211232691), (3, 70410897), (9, 23470299), (27, 7823433), (61, 3462831), (81, 2607811), (183, 1154277), (549, 384759), (1647, 128253), (4941, 42751)]