201991359

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{823}}^1\times {\mathrm{3557}}^1$

素因数の和:4406

約数の個数: 16

約数和(自身を含む): 281452032

約数和(自身を除く): 79460673

約数列:

[1, 3, 23, 69, 823, 2469, 3557, 10671, 18929, 56787, 81811, 245433, 2927411, 8782233, 67330453, 201991359]

約数ペア:

[(1, 201991359), (3, 67330453), (23, 8782233), (69, 2927411), (823, 245433), (2469, 81811), (3557, 56787), (10671, 18929)]