72320445

素因数分解:

$3^6\times 5^1\times {\mathrm{19841}}^1$

素因数の和:19864

約数の個数: 28

約数和(自身を含む): 130123836

約数和(自身を除く): 57803391

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 19841, 59523, 99205, 178569, 297615, 535707, 892845, 1607121, 2678535, 4821363, 8035605, 14464089, 24106815, 72320445]

約数ペア:

[(1, 72320445), (3, 24106815), (5, 14464089), (9, 8035605), (15, 4821363), (27, 2678535), (45, 1607121), (81, 892845), (135, 535707), (243, 297615), (405, 178569), (729, 99205), (1215, 59523), (3645, 19841)]