27390405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{260861}}^1$

素因数の和:260876

約数の個数: 16

約数和(自身を含む): 50085504

約数和(自身を除く): 22695099

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 260861, 782583, 1304305, 1826027, 3912915, 5478081, 9130135, 27390405]

約数ペア:

[(1, 27390405), (3, 9130135), (5, 5478081), (7, 3912915), (15, 1826027), (21, 1304305), (35, 782583), (105, 260861)]