978043005

素因数分解:

$3^4\times 5^1\times {\mathrm{2414921}}^1$

素因数の和:2414938

約数の個数: 20

約数和(自身を含む): 1753233372

約数和(自身を除く): 775190367

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2414921, 7244763, 12074605, 21734289, 36223815, 65202867, 108671445, 195608601, 326014335, 978043005]

約数ペア:

[(1, 978043005), (3, 326014335), (5, 195608601), (9, 108671445), (15, 65202867), (27, 36223815), (45, 21734289), (81, 12074605), (135, 7244763), (405, 2414921)]