13609225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4093}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 20306240

約数和(自身を除く): 6697015

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 4093, 20465, 28651, 77767, 102325, 143255, 388835, 544369, 716275, 1944175, 2721845, 13609225]

約数ペア:

[(1, 13609225), (5, 2721845), (7, 1944175), (19, 716275), (25, 544369), (35, 388835), (95, 143255), (133, 102325), (175, 77767), (475, 28651), (665, 20465), (3325, 4093)]