172840423

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{1327}}^1$

素因数の和:2166

約数の個数: 16

約数和(自身を含む): 206530560

約数和(自身を除く): 33690137

約数列:

[1, 7, 23, 161, 809, 1327, 5663, 9289, 18607, 30521, 130249, 213647, 1073543, 7514801, 24691489, 172840423]

約数ペア:

[(1, 172840423), (7, 24691489), (23, 7514801), (161, 1073543), (809, 213647), (1327, 130249), (5663, 30521), (9289, 18607)]