2019912447

素因数分解:

$3^1\times 7^2\times {\mathrm{13740901}}^1$

素因数の和:13740918

約数の個数: 12

約数和(自身を含む): 3132925656

約数和(自身を除く): 1113013209

約数列:

[1, 3, 7, 21, 49, 147, 13740901, 41222703, 96186307, 288558921, 673304149, 2019912447]

約数ペア:

[(1, 2019912447), (3, 673304149), (7, 288558921), (21, 96186307), (49, 41222703), (147, 13740901)]