2019921705

素因数分解:

$3^5\times 5^1\times {\mathrm{1662487}}^1$

素因数の和:1662507

約数の個数: 24

約数和(自身を含む): 3630873792

約数和(自身を除く): 1610952087

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1662487, 4987461, 8312435, 14962383, 24937305, 44887149, 74811915, 134661447, 224435745, 403984341, 673307235, 2019921705]

約数ペア:

[(1, 2019921705), (3, 673307235), (5, 403984341), (9, 224435745), (15, 134661447), (27, 74811915), (45, 44887149), (81, 24937305), (135, 14962383), (243, 8312435), (405, 4987461), (1215, 1662487)]