201356781

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{23057}}^1$

素因数の和:23172

約数の個数: 16

約数和(自身を含む): 278909568

約数和(自身を除く): 77552787

約数列:

[1, 3, 41, 71, 123, 213, 2911, 8733, 23057, 69171, 945337, 1637047, 2836011, 4911141, 67118927, 201356781]

約数ペア:

[(1, 201356781), (3, 67118927), (41, 4911141), (71, 2836011), (123, 1637047), (213, 945337), (2911, 69171), (8733, 23057)]