2189105505

素因数分解:

$3^2\times 5^1\times {\mathrm{48646789}}^1$

素因数の和:48646800

約数の個数: 12

約数和(自身を含む): 3794449620

約数和(自身を除く): 1605344115

約数列:

[1, 3, 5, 9, 15, 45, 48646789, 145940367, 243233945, 437821101, 729701835, 2189105505]

約数ペア:

[(1, 2189105505), (3, 729701835), (5, 437821101), (9, 243233945), (15, 145940367), (45, 48646789)]