2491690719

素因数分解:

$3^1\times 7^2\times {\mathrm{16950277}}^1$

素因数の和:16950294

約数の個数: 12

約数和(自身を含む): 3864663384

約数和(自身を除く): 1372972665

約数列:

[1, 3, 7, 21, 49, 147, 16950277, 50850831, 118651939, 355955817, 830563573, 2491690719]

約数ペア:

[(1, 2491690719), (3, 830563573), (7, 355955817), (21, 118651939), (49, 50850831), (147, 16950277)]