81703783

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 94913280

約数和(自身を除く): 13209497

約数列:

[1, 7, 131, 139, 641, 917, 973, 4487, 18209, 83971, 89099, 127463, 587797, 623693, 11671969, 81703783]

約数ペア:

[(1, 81703783), (7, 11671969), (131, 623693), (139, 587797), (641, 127463), (917, 89099), (973, 83971), (4487, 18209)]