2090691

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:552

約数の個数: 20

約数和(自身を含む): 3188592

約数和(自身を除く): 1097901

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 487, 1431, 1461, 4293, 4383, 13149, 25811, 39447, 77433, 232299, 696897, 2090691]

約数ペア:

[(1, 2090691), (3, 696897), (9, 232299), (27, 77433), (53, 39447), (81, 25811), (159, 13149), (477, 4383), (487, 4293), (1431, 1461)]