2685190905

素因数分解:

$3^4\times 5^1\times {\mathrm{6630101}}^1$

素因数の和:6630118

約数の個数: 20

約数和(自身を含む): 4813454052

約数和(自身を除く): 2128263147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6630101, 19890303, 33150505, 59670909, 99451515, 179012727, 298354545, 537038181, 895063635, 2685190905]

約数ペア:

[(1, 2685190905), (3, 895063635), (5, 537038181), (9, 298354545), (15, 179012727), (27, 99451515), (45, 59670909), (81, 33150505), (135, 19890303), (405, 6630101)]