22780197

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:751

約数の個数: 40

約数和(自身を含む): 38181792

約数和(自身を除く): 15401595

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 691, 891, 999, 1221, 2073, 2997, 3663, 6219, 7601, 10989, 18657, 22803, 25567, 32967, 55971, 68409, 76701, 205227, 230103, 281237, 615681, 690309, 843711, 2070927, 2531133, 7593399, 22780197]

約数ペア:

[(1, 22780197), (3, 7593399), (9, 2531133), (11, 2070927), (27, 843711), (33, 690309), (37, 615681), (81, 281237), (99, 230103), (111, 205227), (297, 76701), (333, 68409), (407, 55971), (691, 32967), (891, 25567), (999, 22803), (1221, 18657), (2073, 10989), (2997, 7601), (3663, 6219)]