289088919

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16447}}^1$

素因数の和:16497

約数の個数: 40

約数和(自身を含む): 509493248

約数和(自身を除く): 220404329

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 279, 567, 651, 837, 1953, 2511, 5859, 16447, 17577, 49341, 115129, 148023, 345387, 444069, 509857, 1036161, 1332207, 1529571, 3108483, 3568999, 4588713, 9325449, 10706997, 13766139, 32120991, 41298417, 96362973, 289088919]

約数ペア:

[(1, 289088919), (3, 96362973), (7, 41298417), (9, 32120991), (21, 13766139), (27, 10706997), (31, 9325449), (63, 4588713), (81, 3568999), (93, 3108483), (189, 1529571), (217, 1332207), (279, 1036161), (567, 509857), (651, 444069), (837, 345387), (1953, 148023), (2511, 115129), (5859, 49341), (16447, 17577)]