28571025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{54421}}^1$

素因数の和:54441

約数の個数: 24

約数和(自身を含む): 53986624

約数和(自身を除く): 25415599

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 54421, 163263, 272105, 380947, 816315, 1142841, 1360525, 1904735, 4081575, 5714205, 9523675, 28571025]

約数ペア:

[(1, 28571025), (3, 9523675), (5, 5714205), (7, 4081575), (15, 1904735), (21, 1360525), (25, 1142841), (35, 816315), (75, 380947), (105, 272105), (175, 163263), (525, 54421)]