2016643797

素因数分解:

$3^4\times 7^1\times {\mathrm{3556691}}^1$

素因数の和:3556710

約数の個数: 20

約数和(自身を含む): 3442877856

約数和(自身を除く): 1426234059

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3556691, 10670073, 24896837, 32010219, 74690511, 96030657, 224071533, 288091971, 672214599, 2016643797]

約数ペア:

[(1, 2016643797), (3, 672214599), (7, 288091971), (9, 224071533), (21, 96030657), (27, 74690511), (63, 32010219), (81, 24896837), (189, 10670073), (567, 3556691)]