12539247

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 19592496

約数和(自身を除く): 7053249

約数列:

[1, 3, 7, 21, 49, 147, 197, 433, 591, 1299, 1379, 3031, 4137, 9093, 9653, 21217, 28959, 63651, 85301, 255903, 597107, 1791321, 4179749, 12539247]

約数ペア:

[(1, 12539247), (3, 4179749), (7, 1791321), (21, 597107), (49, 255903), (147, 85301), (197, 63651), (433, 28959), (591, 21217), (1299, 9653), (1379, 9093), (3031, 4137)]