27189805

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 33343488

約数和(自身を除く): 6153683

約数列:

[1, 5, 71, 191, 355, 401, 955, 2005, 13561, 28471, 67805, 76591, 142355, 382955, 5437961, 27189805]

約数ペア:

[(1, 27189805), (5, 5437961), (71, 382955), (191, 142355), (355, 76591), (401, 67805), (955, 28471), (2005, 13561)]