66397989

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23773}}^1$

素因数の和:23809

約数の個数: 24

約数和(自身を含む): 108409440

約数和(自身を除く): 42011451

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 23773, 71319, 166411, 451687, 499233, 1164877, 1355061, 3161809, 3494631, 9485427, 22132663, 66397989]

約数ペア:

[(1, 66397989), (3, 22132663), (7, 9485427), (19, 3494631), (21, 3161809), (49, 1355061), (57, 1164877), (133, 499233), (147, 451687), (399, 166411), (931, 71319), (2793, 23773)]