16129701

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{509}}^1$

素因数の和:1025

約数の個数: 24

約数和(自身を含む): 26732160

約数和(自身を除く): 10602459

約数列:

[1, 3, 7, 9, 21, 63, 503, 509, 1509, 1527, 3521, 3563, 4527, 4581, 10563, 10689, 31689, 32067, 256027, 768081, 1792189, 2304243, 5376567, 16129701]

約数ペア:

[(1, 16129701), (3, 5376567), (7, 2304243), (9, 1792189), (21, 768081), (63, 256027), (503, 32067), (509, 31689), (1509, 10689), (1527, 10563), (3521, 4581), (3563, 4527)]