247536243

素因数分解:

$3^4\times {\mathrm{619}}^1\times {\mathrm{4937}}^1$

素因数の和:5568

約数の個数: 20

約数和(自身を含む): 370448760

約数和(自身を除く): 122912517

約数列:

[1, 3, 9, 27, 81, 619, 1857, 4937, 5571, 14811, 16713, 44433, 50139, 133299, 399897, 3056003, 9168009, 27504027, 82512081, 247536243]

約数ペア:

[(1, 247536243), (3, 82512081), (9, 27504027), (27, 9168009), (81, 3056003), (619, 399897), (1857, 133299), (4937, 50139), (5571, 44433), (14811, 16713)]