2009739921

素因数分解:

$3^1\times 7^1\times {\mathrm{95701901}}^1$

素因数の和:95701911

約数の個数: 8

約数和(自身を含む): 3062460864

約数和(自身を除く): 1052720943

約数列:

[1, 3, 7, 21, 95701901, 287105703, 669913307, 2009739921]

約数ペア:

[(1, 2009739921), (3, 669913307), (7, 287105703), (21, 95701901)]