28769967

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4373}}^1$

素因数の和:4439

約数の個数: 24

約数和(自身を含む): 45034704

約数和(自身を除く): 16264737

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 4373, 6579, 13119, 39357, 74341, 188039, 223023, 564117, 669069, 1692351, 3196663, 9589989, 28769967]

約数ペア:

[(1, 28769967), (3, 9589989), (9, 3196663), (17, 1692351), (43, 669069), (51, 564117), (129, 223023), (153, 188039), (387, 74341), (731, 39357), (2193, 13119), (4373, 6579)]