87721361

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{1117}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 108186624

約数和(自身を除く): 20465263

約数列:

[1, 7, 13, 91, 863, 1117, 6041, 7819, 11219, 14521, 78533, 101647, 963971, 6747797, 12531623, 87721361]

約数ペア:

[(1, 87721361), (7, 12531623), (13, 6747797), (91, 963971), (863, 101647), (1117, 78533), (6041, 14521), (7819, 11219)]