30981564

素因数分解:

$2^2\times 3^2\times {\mathrm{860599}}^1$

素因数の和:860609

約数の個数: 18

約数和(自身を含む): 78314600

約数和(自身を除く): 47333036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 860599, 1721198, 2581797, 3442396, 5163594, 7745391, 10327188, 15490782, 30981564]

約数ペア:

[(1, 30981564), (2, 15490782), (3, 10327188), (4, 7745391), (6, 5163594), (9, 3442396), (12, 2581797), (18, 1721198), (36, 860599)]