127740321

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{68567}}^1$

素因数の和:68602

約数の個数: 20

約数和(自身を含む): 199121472

約数和(自身を除く): 71381151

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 68567, 205701, 617103, 1577041, 1851309, 4731123, 5553927, 14193369, 42580107, 127740321]

約数ペア:

[(1, 127740321), (3, 42580107), (9, 14193369), (23, 5553927), (27, 4731123), (69, 1851309), (81, 1577041), (207, 617103), (621, 205701), (1863, 68567)]