1890147231

素因数分解:

$3^4\times 7^1\times {\mathrm{3333593}}^1$

素因数の和:3333612

約数の個数: 20

約数和(自身を含む): 3226918992

約数和(自身を除く): 1336771761

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3333593, 10000779, 23335151, 30002337, 70005453, 90007011, 210016359, 270021033, 630049077, 1890147231]

約数ペア:

[(1, 1890147231), (3, 630049077), (7, 270021033), (9, 210016359), (21, 90007011), (27, 70005453), (63, 30002337), (81, 23335151), (189, 10000779), (567, 3333593)]