9721125

素因数分解:

$3^2\times 5^3\times {\mathrm{8641}}^1$

素因数の和:8662

約数の個数: 24

約数和(自身を含む): 17525976

約数和(自身を除く): 7804851

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 1125, 8641, 25923, 43205, 77769, 129615, 216025, 388845, 648075, 1080125, 1944225, 3240375, 9721125]

約数ペア:

[(1, 9721125), (3, 3240375), (5, 1944225), (9, 1080125), (15, 648075), (25, 388845), (45, 216025), (75, 129615), (125, 77769), (225, 43205), (375, 25923), (1125, 8641)]