3920975

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:175

約数の個数: 18

約数和(自身を含む): 5037624

約数和(自身を除く): 1116649

約数列:

[1, 5, 25, 47, 71, 235, 355, 1175, 1775, 2209, 3337, 11045, 16685, 55225, 83425, 156839, 784195, 3920975]

約数ペア:

[(1, 3920975), (5, 784195), (25, 156839), (47, 83425), (71, 55225), (235, 16685), (355, 11045), (1175, 3337), (1775, 2209)]