227728921

素因数分解:

$7^2\times {\mathrm{61}}^2\times {\mathrm{1249}}^1$

素因数の和:1385

約数の個数: 18

約数和(自身を含む): 269538750

約数和(自身を除く): 41809829

約数列:

[1, 7, 49, 61, 427, 1249, 2989, 3721, 8743, 26047, 61201, 76189, 182329, 533323, 3733261, 4647529, 32532703, 227728921]

約数ペア:

[(1, 227728921), (7, 32532703), (49, 4647529), (61, 3733261), (427, 533323), (1249, 182329), (2989, 76189), (3721, 61201), (8743, 26047)]