31518945

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5039}}^1$

素因数の和:5189

約数の個数: 24

約数和(自身を含む): 55036800

約数和(自身を除く): 23517855

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 5039, 6255, 15117, 25195, 45351, 75585, 226755, 700421, 2101263, 3502105, 6303789, 10506315, 31518945]

約数ペア:

[(1, 31518945), (3, 10506315), (5, 6303789), (9, 3502105), (15, 2101263), (45, 700421), (139, 226755), (417, 75585), (695, 45351), (1251, 25195), (2085, 15117), (5039, 6255)]