201947907

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{75721}}^1$

素因数の和:75858

約数の個数: 16

約数和(自身を含む): 310157312

約数和(自身を除く): 108209405

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 75721, 227163, 530047, 1590141, 9616567, 28849701, 67315969, 201947907]

約数ペア:

[(1, 201947907), (3, 67315969), (7, 28849701), (21, 9616567), (127, 1590141), (381, 530047), (889, 227163), (2667, 75721)]