206857921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{3929}}^1$

素因数の和:4128

約数の個数: 16

約数和(自身を含む): 232027200

約数和(自身を除く): 25169279

約数列:

[1, 17, 19, 163, 323, 2771, 3097, 3929, 52649, 66793, 74651, 640427, 1269067, 10887259, 12168113, 206857921]

約数ペア:

[(1, 206857921), (17, 12168113), (19, 10887259), (163, 1269067), (323, 640427), (2771, 74651), (3097, 66793), (3929, 52649)]