2891277

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 4429568

約数和(自身を除く): 1538291

約数列:

[1, 3, 9, 31, 43, 93, 129, 241, 279, 387, 723, 1333, 2169, 3999, 7471, 10363, 11997, 22413, 31089, 67239, 93267, 321253, 963759, 2891277]

約数ペア:

[(1, 2891277), (3, 963759), (9, 321253), (31, 93267), (43, 67239), (93, 31089), (129, 22413), (241, 11997), (279, 10363), (387, 7471), (723, 3999), (1333, 2169)]