81704307

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{1637}}^1$

素因数の和:1898

約数の個数: 16

約数和(自身を含む): 110702592

約数和(自身を除く): 28998285

約数列:

[1, 3, 127, 131, 381, 393, 1637, 4911, 16637, 49911, 207899, 214447, 623697, 643341, 27234769, 81704307]

約数ペア:

[(1, 81704307), (3, 27234769), (127, 643341), (131, 623697), (381, 214447), (393, 207899), (1637, 49911), (4911, 16637)]