40126149

素因数分解:

$3^2\times 7^2\times {\mathrm{90989}}^1$

素因数の和:91009

約数の個数: 18

約数和(自身を含む): 67423590

約数和(自身を除く): 27297441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 90989, 272967, 636923, 818901, 1910769, 4458461, 5732307, 13375383, 40126149]

約数ペア:

[(1, 40126149), (3, 13375383), (7, 5732307), (9, 4458461), (21, 1910769), (49, 818901), (63, 636923), (147, 272967), (441, 90989)]