16997967

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4027}}^1$

素因数の和:4107

約数の個数: 24

約数和(自身を含む): 28486016

約数和(自身を除く): 11488049

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4027, 4221, 12081, 28189, 36243, 84567, 253701, 269809, 809427, 1888663, 2428281, 5665989, 16997967]

約数ペア:

[(1, 16997967), (3, 5665989), (7, 2428281), (9, 1888663), (21, 809427), (63, 269809), (67, 253701), (201, 84567), (469, 36243), (603, 28189), (1407, 12081), (4027, 4221)]