27520405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16141}}^1$

素因数の和:16188

約数の個数: 16

約数和(自身を含む): 37191168

約数和(自身を除く): 9670763

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 16141, 80705, 177551, 500371, 887755, 2501855, 5504081, 27520405]

約数ペア:

[(1, 27520405), (5, 5504081), (11, 2501855), (31, 887755), (55, 500371), (155, 177551), (341, 80705), (1705, 16141)]