55387881

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9714

約数の個数: 20

約数和(自身を含む): 83913984

約数和(自身を除く): 28526103

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 9631, 28893, 86679, 260037, 683801, 780111, 2051403, 6154209, 18462627, 55387881]

約数ペア:

[(1, 55387881), (3, 18462627), (9, 6154209), (27, 2051403), (71, 780111), (81, 683801), (213, 260037), (639, 86679), (1917, 28893), (5751, 9631)]