12740301

素因数分解:

$3^3\times 7^1\times {\mathrm{67409}}^1$

素因数の和:67425

約数の個数: 16

約数和(自身を含む): 21571200

約数和(自身を除く): 8830899

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 67409, 202227, 471863, 606681, 1415589, 1820043, 4246767, 12740301]

約数ペア:

[(1, 12740301), (3, 4246767), (7, 1820043), (9, 1415589), (21, 606681), (27, 471863), (63, 202227), (189, 67409)]