8981945

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{601}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 12764808

約数和(自身を除く): 3782863

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 601, 2135, 2989, 3005, 4207, 14945, 21035, 29449, 36661, 147245, 183305, 256627, 1283135, 1796389, 8981945]

約数ペア:

[(1, 8981945), (5, 1796389), (7, 1283135), (35, 256627), (49, 183305), (61, 147245), (245, 36661), (305, 29449), (427, 21035), (601, 14945), (2135, 4207), (2989, 3005)]