208021863

素因数分解:

$3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{10139}}^1$

素因数の和:11126

約数の個数: 16

約数和(自身を含む): 317341440

約数和(自身を除く): 109319577

約数列:

[1, 3, 7, 21, 977, 2931, 6839, 10139, 20517, 30417, 70973, 212919, 9905803, 29717409, 69340621, 208021863]

約数ペア:

[(1, 208021863), (3, 69340621), (7, 29717409), (21, 9905803), (977, 212919), (2931, 70973), (6839, 30417), (10139, 20517)]