212681931

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{920701}}^1$

素因数の和:920722

約数の個数: 16

約数和(自身を含む): 353549568

約数和(自身を除く): 140867637

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 920701, 2762103, 6444907, 10127711, 19334721, 30383133, 70893977, 212681931]

約数ペア:

[(1, 212681931), (3, 70893977), (7, 30383133), (11, 19334721), (21, 10127711), (33, 6444907), (77, 2762103), (231, 920701)]