2908297

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:221

約数の個数: 16

約数和(自身を含む): 3472000

約数和(自身を除く): 563703

約数列:

[1, 7, 49, 61, 139, 343, 427, 973, 2989, 6811, 8479, 20923, 47677, 59353, 415471, 2908297]

約数ペア:

[(1, 2908297), (7, 415471), (49, 59353), (61, 47677), (139, 20923), (343, 8479), (427, 6811), (973, 2989)]