42808005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22123}}^1$

素因数の和:22177

約数の個数: 24

約数和(自身を含む): 75929568

約数和(自身を除く): 33121563

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 22123, 66369, 110615, 199107, 331845, 951289, 995535, 2853867, 4756445, 8561601, 14269335, 42808005]

約数ペア:

[(1, 42808005), (3, 14269335), (5, 8561601), (9, 4756445), (15, 2853867), (43, 995535), (45, 951289), (129, 331845), (215, 199107), (387, 110615), (645, 66369), (1935, 22123)]