39981225

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{28057}}^1$

素因数の和:28089

約数の個数: 24

約数和(自身を含む): 69583840

約数和(自身を除く): 29602615

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 28057, 84171, 140285, 420855, 533083, 701425, 1599249, 2104275, 2665415, 7996245, 13327075, 39981225]

約数ペア:

[(1, 39981225), (3, 13327075), (5, 7996245), (15, 2665415), (19, 2104275), (25, 1599249), (57, 701425), (75, 533083), (95, 420855), (285, 140285), (475, 84171), (1425, 28057)]