121121

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1$

素因数の和:53

約数の個数: 16

約数和(自身を含む): 163968

約数和(自身を除く): 42847

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1331, 1573, 9317, 11011, 17303, 121121]

約数ペア:

[(1, 121121), (7, 17303), (11, 11011), (13, 9317), (77, 1573), (91, 1331), (121, 1001), (143, 847)]