27896805

素因数分解:

$3^4\times 5^1\times {\mathrm{68881}}^1$

素因数の和:68898

約数の個数: 20

約数和(自身を含む): 50008332

約数和(自身を除く): 22111527

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68881, 206643, 344405, 619929, 1033215, 1859787, 3099645, 5579361, 9298935, 27896805]

約数ペア:

[(1, 27896805), (3, 9298935), (5, 5579361), (9, 3099645), (15, 1859787), (27, 1033215), (45, 619929), (81, 344405), (135, 206643), (405, 68881)]