42170821

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{11177}}^1$

素因数の和:11209

約数の個数: 16

約数和(自身を含む): 53654400

約数和(自身を除く): 11483579

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 11177, 78239, 122947, 547673, 860629, 3833711, 6024403, 42170821]

約数ペア:

[(1, 42170821), (7, 6024403), (11, 3833711), (49, 860629), (77, 547673), (343, 122947), (539, 78239), (3773, 11177)]