17942985

素因数分解:

$3^3\times 5^1\times {\mathrm{132911}}^1$

素因数の和:132925

約数の個数: 16

約数和(自身を含む): 31898880

約数和(自身を除く): 13955895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 132911, 398733, 664555, 1196199, 1993665, 3588597, 5980995, 17942985]

約数ペア:

[(1, 17942985), (3, 5980995), (5, 3588597), (9, 1993665), (15, 1196199), (27, 664555), (45, 398733), (135, 132911)]