208179969

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{20249}}^1$

素因数の和:20424

約数の個数: 16

約数和(自身を含む): 291600000

約数和(自身を除く): 83420031

約数列:

[1, 3, 23, 69, 149, 447, 3427, 10281, 20249, 60747, 465727, 1397181, 3017101, 9051303, 69393323, 208179969]

約数ペア:

[(1, 208179969), (3, 69393323), (23, 9051303), (69, 3017101), (149, 1397181), (447, 465727), (3427, 60747), (10281, 20249)]