289731087

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{16333}}^1$

素因数の和:16421

約数の個数: 24

約数和(自身を含む): 439972624

約数和(自身を除く): 150241537

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1971, 5913, 16333, 17739, 48999, 146997, 440991, 1192309, 1322973, 3576927, 3968919, 10730781, 32192343, 96577029, 289731087]

約数ペア:

[(1, 289731087), (3, 96577029), (9, 32192343), (27, 10730781), (73, 3968919), (81, 3576927), (219, 1322973), (243, 1192309), (657, 440991), (1971, 146997), (5913, 48999), (16333, 17739)]