87663093

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{219707}}^1$

素因数の和:219736

約数の個数: 16

約数和(自身を含む): 140613120

約数和(自身を除く): 52950027

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 219707, 659121, 1537949, 4174433, 4613847, 12523299, 29221031, 87663093]

約数ペア:

[(1, 87663093), (3, 29221031), (7, 12523299), (19, 4613847), (21, 4174433), (57, 1537949), (133, 659121), (399, 219707)]