153939723

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{9787}}^1$

素因数の和:9911

約数の個数: 24

約数和(自身を含む): 241019712

約数和(自身を除く): 87079989

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 9787, 15729, 29361, 68509, 205527, 479563, 1047209, 1438689, 3141627, 7330463, 21991389, 51313241, 153939723]

約数ペア:

[(1, 153939723), (3, 51313241), (7, 21991389), (21, 7330463), (49, 3141627), (107, 1438689), (147, 1047209), (321, 479563), (749, 205527), (2247, 68509), (5243, 29361), (9787, 15729)]