7742721

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5503}}^1$

素因数の和:5580

約数の個数: 16

約数和(自身を含む): 11976704

約数和(自身を除く): 4233983

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 5503, 16509, 38521, 115563, 368701, 1106103, 2580907, 7742721]

約数ペア:

[(1, 7742721), (3, 2580907), (7, 1106103), (21, 368701), (67, 115563), (201, 38521), (469, 16509), (1407, 5503)]