247509297

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12239}}^1$

素因数の和:12362

約数の個数: 32

約数和(自身を含む): 423014400

約数和(自身を除く): 175505103

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 6741, 12239, 20223, 36717, 85673, 110151, 257019, 330453, 771057, 1309573, 2313171, 3928719, 9167011, 11786157, 27501033, 35358471, 82503099, 247509297]

約数ペア:

[(1, 247509297), (3, 82503099), (7, 35358471), (9, 27501033), (21, 11786157), (27, 9167011), (63, 3928719), (107, 2313171), (189, 1309573), (321, 771057), (749, 330453), (963, 257019), (2247, 110151), (2889, 85673), (6741, 36717), (12239, 20223)]