53987985

素因数分解:

$3^3\times 5^1\times {\mathrm{399911}}^1$

素因数の和:399925

約数の個数: 16

約数和(自身を含む): 95978880

約数和(自身を除く): 41990895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 399911, 1199733, 1999555, 3599199, 5998665, 10797597, 17995995, 53987985]

約数ペア:

[(1, 53987985), (3, 17995995), (5, 10797597), (9, 5998665), (15, 3599199), (27, 1999555), (45, 1199733), (135, 399911)]