20151001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4799}}^1$

素因数の和:4848

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4040999

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4799, 62387, 81583, 91181, 1060579, 1185353, 1550077, 20151001]

約数ペア:

[(1, 20151001), (13, 1550077), (17, 1185353), (19, 1060579), (221, 91181), (247, 81583), (323, 62387), (4199, 4799)]