27779423

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{157}}^2$

素因数の和:351

約数の個数: 18

約数和(自身を含む): 33935976

約数和(自身を除く): 6156553

約数列:

[1, 7, 23, 49, 157, 161, 1099, 1127, 3611, 7693, 24649, 25277, 172543, 176939, 566927, 1207801, 3968489, 27779423]

約数ペア:

[(1, 27779423), (7, 3968489), (23, 1207801), (49, 566927), (157, 176939), (161, 172543), (1099, 25277), (1127, 24649), (3611, 7693)]