5216157

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 20

約数和(自身を含む): 7910496

約数和(自身を除く): 2694339

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 907, 1917, 2721, 5751, 8163, 24489, 64397, 73467, 193191, 579573, 1738719, 5216157]

約数ペア:

[(1, 5216157), (3, 1738719), (9, 579573), (27, 193191), (71, 73467), (81, 64397), (213, 24489), (639, 8163), (907, 5751), (1917, 2721)]