239740125

素因数分解:

$3^1\times 5^3\times {\mathrm{639307}}^1$

素因数の和:639325

約数の個数: 16

約数和(自身を含む): 398928192

約数和(自身を除く): 159188067

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 639307, 1917921, 3196535, 9589605, 15982675, 47948025, 79913375, 239740125]

約数ペア:

[(1, 239740125), (3, 79913375), (5, 47948025), (15, 15982675), (25, 9589605), (75, 3196535), (125, 1917921), (375, 639307)]