90207405

素因数分解:

$3^3\times 5^1\times {\mathrm{668203}}^1$

素因数の和:668217

約数の個数: 16

約数和(自身を含む): 160368960

約数和(自身を除く): 70161555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 668203, 2004609, 3341015, 6013827, 10023045, 18041481, 30069135, 90207405]

約数ペア:

[(1, 90207405), (3, 30069135), (5, 18041481), (9, 10023045), (15, 6013827), (27, 3341015), (45, 2004609), (135, 668203)]