27720484515

素因数分解:

$3^2\times 5^1\times {\mathrm{616010767}}^1$

素因数の和:616010778

約数の個数: 12

約数和(自身を含む): 48048839904

約数和(自身を除く): 20328355389

約数列:

[1, 3, 5, 9, 15, 45, 616010767, 1848032301, 3080053835, 5544096903, 9240161505, 27720484515]

約数ペア:

[(1, 27720484515), (3, 9240161505), (5, 5544096903), (9, 3080053835), (15, 1848032301), (45, 616010767)]