30018135

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{40841}}^1$

素因数の和:40863

約数の個数: 24

約数和(自身を含む): 55871856

約数和(自身を除く): 25853721

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 40841, 122523, 204205, 285887, 612615, 857661, 1429435, 2001209, 4288305, 6003627, 10006045, 30018135]

約数ペア:

[(1, 30018135), (3, 10006045), (5, 6003627), (7, 4288305), (15, 2001209), (21, 1429435), (35, 857661), (49, 612615), (105, 285887), (147, 204205), (245, 122523), (735, 40841)]