208023519

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{42307}}^1$

素因数の和:42470

約数の個数: 16

約数和(自身を含む): 304617600

約数和(自身を除く): 96594081

約数列:

[1, 3, 11, 33, 149, 447, 1639, 4917, 42307, 126921, 465377, 1396131, 6303743, 18911229, 69341173, 208023519]

約数ペア:

[(1, 208023519), (3, 69341173), (11, 18911229), (33, 6303743), (149, 1396131), (447, 465377), (1639, 126921), (4917, 42307)]