20161495557

素因数分解:

$3^2\times 7^2\times {\mathrm{45717677}}^1$

素因数の和:45717697

約数の個数: 18

約数和(自身を含む): 33876799398

約数和(自身を除く): 13715303841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 45717677, 137153031, 320023739, 411459093, 960071217, 2240166173, 2880213651, 6720498519, 20161495557]

約数ペア:

[(1, 20161495557), (3, 6720498519), (7, 2880213651), (9, 2240166173), (21, 960071217), (49, 411459093), (63, 320023739), (147, 137153031), (441, 45717677)]