28326105

素因数分解:

$3^4\times 5^1\times {\mathrm{69941}}^1$

素因数の和:69958

約数の個数: 20

約数和(自身を含む): 50777892

約数和(自身を除く): 22451787

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 69941, 209823, 349705, 629469, 1049115, 1888407, 3147345, 5665221, 9442035, 28326105]

約数ペア:

[(1, 28326105), (3, 9442035), (5, 5665221), (9, 3147345), (15, 1888407), (27, 1049115), (45, 629469), (81, 349705), (135, 209823), (405, 69941)]