11971881

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{2593}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 18884320

約数和(自身を除く): 6912439

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 2593, 4617, 7779, 23337, 49267, 70011, 147801, 210033, 443403, 630099, 1330209, 3990627, 11971881]

約数ペア:

[(1, 11971881), (3, 3990627), (9, 1330209), (19, 630099), (27, 443403), (57, 210033), (81, 147801), (171, 70011), (243, 49267), (513, 23337), (1539, 7779), (2593, 4617)]