67580821

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20411}}^1$

素因数の和:20472

約数の個数: 16

約数和(自身を含む): 86220288

約数和(自身を除く): 18639467

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 20411, 142877, 224521, 877673, 1571647, 6143711, 9654403, 67580821]

約数ペア:

[(1, 67580821), (7, 9654403), (11, 6143711), (43, 1571647), (77, 877673), (301, 224521), (473, 142877), (3311, 20411)]