68531575

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20611}}^1$

素因数の和:20647

約数の個数: 24

約数和(自身を含む): 102235520

約数和(自身を除く): 33703945

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 20611, 103055, 144277, 391609, 515275, 721385, 1958045, 2741263, 3606925, 9790225, 13706315, 68531575]

約数ペア:

[(1, 68531575), (5, 13706315), (7, 9790225), (19, 3606925), (25, 2741263), (35, 1958045), (95, 721385), (133, 515275), (175, 391609), (475, 144277), (665, 103055), (3325, 20611)]