27751005

素因数分解:

$3^4\times 5^1\times {\mathrm{68521}}^1$

素因数の和:68538

約数の個数: 20

約数和(自身を含む): 49746972

約数和(自身を除く): 21995967

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68521, 205563, 342605, 616689, 1027815, 1850067, 3083445, 5550201, 9250335, 27751005]

約数ペア:

[(1, 27751005), (3, 9250335), (5, 5550201), (9, 3083445), (15, 1850067), (27, 1027815), (45, 616689), (81, 342605), (135, 205563), (405, 68521)]