81399690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{904441}}^1$

素因数の和:904454

約数の個数: 24

約数和(自身を含む): 211639428

約数和(自身を除く): 130239738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 904441, 1808882, 2713323, 4522205, 5426646, 8139969, 9044410, 13566615, 16279938, 27133230, 40699845, 81399690]

約数ペア:

[(1, 81399690), (2, 40699845), (3, 27133230), (5, 16279938), (6, 13566615), (9, 9044410), (10, 8139969), (15, 5426646), (18, 4522205), (30, 2713323), (45, 1808882), (90, 904441)]