181997361

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24691}}^1$

素因数の和:24723

約数の個数: 40

約数和(自身を含む): 334625984

約数和(自身を除く): 152628623

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 24691, 74073, 172837, 222219, 320983, 518511, 666657, 962949, 1555533, 1999971, 2246881, 2888847, 4666599, 6740643, 8666541, 13999797, 20221929, 25999623, 60665787, 181997361]

約数ペア:

[(1, 181997361), (3, 60665787), (7, 25999623), (9, 20221929), (13, 13999797), (21, 8666541), (27, 6740643), (39, 4666599), (63, 2888847), (81, 2246881), (91, 1999971), (117, 1555533), (189, 962949), (273, 666657), (351, 518511), (567, 320983), (819, 222219), (1053, 172837), (2457, 74073), (7371, 24691)]