247270239

素因数分解:

$3^6\times {\mathrm{59}}^1\times {\mathrm{5749}}^1$

素因数の和:5826

約数の個数: 28

約数和(自身を含む): 377085000

約数和(自身を除く): 129814761

約数列:

[1, 3, 9, 27, 59, 81, 177, 243, 531, 729, 1593, 4779, 5749, 14337, 17247, 43011, 51741, 155223, 339191, 465669, 1017573, 1397007, 3052719, 4191021, 9158157, 27474471, 82423413, 247270239]

約数ペア:

[(1, 247270239), (3, 82423413), (9, 27474471), (27, 9158157), (59, 4191021), (81, 3052719), (177, 1397007), (243, 1017573), (531, 465669), (729, 339191), (1593, 155223), (4779, 51741), (5749, 43011), (14337, 17247)]