2016987321

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{251903}}^1$

素因数の和:252080

約数の個数: 16

約数和(自身を含む): 2865659904

約数和(自身を除く): 848672583

約数列:

[1, 3, 17, 51, 157, 471, 2669, 8007, 251903, 755709, 4282351, 12847053, 39548771, 118646313, 672329107, 2016987321]

約数ペア:

[(1, 2016987321), (3, 672329107), (17, 118646313), (51, 39548771), (157, 12847053), (471, 4282351), (2669, 755709), (8007, 251903)]