66908975

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20123}}^1$

素因数の和:20159

約数の個数: 24

約数和(自身を含む): 99815040

約数和(自身を除く): 32906065

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 20123, 100615, 140861, 382337, 503075, 704305, 1911685, 2676359, 3521525, 9558425, 13381795, 66908975]

約数ペア:

[(1, 66908975), (5, 13381795), (7, 9558425), (19, 3521525), (25, 2676359), (35, 1911685), (95, 704305), (133, 503075), (175, 382337), (475, 140861), (665, 100615), (3325, 20123)]