8239905

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2579}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 14489280

約数和(自身を除く): 6249375

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 2579, 3195, 7737, 12895, 23211, 38685, 116055, 183109, 549327, 915545, 1647981, 2746635, 8239905]

約数ペア:

[(1, 8239905), (3, 2746635), (5, 1647981), (9, 915545), (15, 549327), (45, 183109), (71, 116055), (213, 38685), (355, 23211), (639, 12895), (1065, 7737), (2579, 3195)]