420704025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{801341}}^1$

素因数の和:801361

約数の個数: 24

約数和(自身を含む): 794931264

約数和(自身を除く): 374227239

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 801341, 2404023, 4006705, 5609387, 12020115, 16828161, 20033525, 28046935, 60100575, 84140805, 140234675, 420704025]

約数ペア:

[(1, 420704025), (3, 140234675), (5, 84140805), (7, 60100575), (15, 28046935), (21, 20033525), (25, 16828161), (35, 12020115), (75, 5609387), (105, 4006705), (175, 2404023), (525, 801341)]