40282389

素因数分解:

$3^2\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1381}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 66689792

約数和(自身を除く): 26407403

約数列:

[1, 3, 7, 9, 21, 63, 463, 1381, 1389, 3241, 4143, 4167, 9667, 9723, 12429, 29001, 29169, 87003, 639403, 1918209, 4475821, 5754627, 13427463, 40282389]

約数ペア:

[(1, 40282389), (3, 13427463), (7, 5754627), (9, 4475821), (21, 1918209), (63, 639403), (463, 87003), (1381, 29169), (1389, 29001), (3241, 12429), (4143, 9723), (4167, 9667)]