1138478733

素因数分解:

$3^4\times 7^1\times {\mathrm{2007899}}^1$

素因数の和:2007918

約数の個数: 20

約数和(自身を含む): 1943647200

約数和(自身を除く): 805168467

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2007899, 6023697, 14055293, 18071091, 42165879, 54213273, 126497637, 162639819, 379492911, 1138478733]

約数ペア:

[(1, 1138478733), (3, 379492911), (7, 162639819), (9, 126497637), (21, 54213273), (27, 42165879), (63, 18071091), (81, 14055293), (189, 6023697), (567, 2007899)]