8742321

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{719}}^1$

素因数の和:925

約数の個数: 24

約数和(自身を含む): 14526720

約数和(自身を除く): 5784399

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 719, 1351, 1737, 2157, 4053, 5033, 6471, 12159, 15099, 45297, 138767, 416301, 971369, 1248903, 2914107, 8742321]

約数ペア:

[(1, 8742321), (3, 2914107), (7, 1248903), (9, 971369), (21, 416301), (63, 138767), (193, 45297), (579, 15099), (719, 12159), (1351, 6471), (1737, 5033), (2157, 4053)]