18408357

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{61981}}^1$

素因数の和:62001

約数の個数: 16

約数和(自身を含む): 29751360

約数和(自身を除く): 11343003

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 61981, 185943, 557829, 681791, 1673487, 2045373, 6136119, 18408357]

約数ペア:

[(1, 18408357), (3, 6136119), (9, 2045373), (11, 1673487), (27, 681791), (33, 557829), (99, 185943), (297, 61981)]