3929125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:118

約数の個数: 24

約数和(自身を含む): 5315544

約数和(自身を除く): 1386419

約数列:

[1, 5, 17, 25, 43, 85, 125, 215, 425, 731, 1075, 1849, 2125, 3655, 5375, 9245, 18275, 31433, 46225, 91375, 157165, 231125, 785825, 3929125]

約数ペア:

[(1, 3929125), (5, 785825), (17, 231125), (25, 157165), (43, 91375), (85, 46225), (125, 31433), (215, 18275), (425, 9245), (731, 5375), (1075, 3655), (1849, 2125)]