2793399

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7001}}^1$

素因数の和:7030

約数の個数: 16

約数和(自身を含む): 4481280

約数和(自身を除く): 1687881

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 7001, 21003, 49007, 133019, 147021, 399057, 931133, 2793399]

約数ペア:

[(1, 2793399), (3, 931133), (7, 399057), (19, 147021), (21, 133019), (57, 49007), (133, 21003), (399, 7001)]