2016559881

素因数分解:

$3^4\times 7^1\times {\mathrm{3556543}}^1$

素因数の和:3556562

約数の個数: 20

約数和(自身を含む): 3442734592

約数和(自身を除く): 1426174711

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3556543, 10669629, 24895801, 32008887, 74687403, 96026661, 224062209, 288079983, 672186627, 2016559881]

約数ペア:

[(1, 2016559881), (3, 672186627), (7, 288079983), (9, 224062209), (21, 96026661), (27, 74687403), (63, 32008887), (81, 24895801), (189, 10669629), (567, 3556543)]