13220977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1667}}^1$

素因数の和:1788

約数の個数: 16

約数和(自身を含む): 16653312

約数和(自身を除く): 3432335

約数列:

[1, 7, 11, 77, 103, 721, 1133, 1667, 7931, 11669, 18337, 128359, 171701, 1201907, 1888711, 13220977]

約数ペア:

[(1, 13220977), (7, 1888711), (11, 1201907), (77, 171701), (103, 128359), (721, 18337), (1133, 11669), (1667, 7931)]