42261021

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{47431}}^1$

素因数の和:47454

約数の個数: 20

約数和(自身を含む): 68871264

約数和(自身を除く): 26610243

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 47431, 142293, 426879, 521741, 1280637, 1565223, 3841911, 4695669, 14087007, 42261021]

約数ペア:

[(1, 42261021), (3, 14087007), (9, 4695669), (11, 3841911), (27, 1565223), (33, 1280637), (81, 521741), (99, 426879), (297, 142293), (891, 47431)]