67928139

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{15823}}^1$

素因数の和:15888

約数の個数: 20

約数和(自身を含む): 103394016

約数和(自身を除く): 35465877

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 15823, 47469, 142407, 427221, 838619, 1281663, 2515857, 7547571, 22642713, 67928139]

約数ペア:

[(1, 67928139), (3, 22642713), (9, 7547571), (27, 2515857), (53, 1281663), (81, 838619), (159, 427221), (477, 142407), (1431, 47469), (4293, 15823)]