7428267

素因数分解:

$3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 13907712

約数和(自身を除く): 6479445

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 397, 567, 693, 891, 1191, 1701, 2079, 2673, 2779, 3573, 4367, 6237, 8337, 10719, 13101, 18711, 25011, 30569, 32157, 39303, 75033, 91707, 96471, 117909, 225099, 275121, 353727, 675297, 825363, 1061181, 2476089, 7428267]

約数ペア:

[(1, 7428267), (3, 2476089), (7, 1061181), (9, 825363), (11, 675297), (21, 353727), (27, 275121), (33, 225099), (63, 117909), (77, 96471), (81, 91707), (99, 75033), (189, 39303), (231, 32157), (243, 30569), (297, 25011), (397, 18711), (567, 13101), (693, 10719), (891, 8337), (1191, 6237), (1701, 4367), (2079, 3573), (2673, 2779)]