201820569

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1\times {\mathrm{4007}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 273441792

約数和(自身を除く): 71621223

約数列:

[1, 3, 103, 163, 309, 489, 4007, 12021, 16789, 50367, 412721, 653141, 1238163, 1959423, 67273523, 201820569]

約数ペア:

[(1, 201820569), (3, 67273523), (103, 1959423), (163, 1238163), (309, 653141), (489, 412721), (4007, 50367), (12021, 16789)]