207900525

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{396001}}^1$

素因数の和:396021

約数の個数: 24

約数和(自身を含む): 392833984

約数和(自身を除く): 184933459

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 396001, 1188003, 1980005, 2772007, 5940015, 8316021, 9900025, 13860035, 29700075, 41580105, 69300175, 207900525]

約数ペア:

[(1, 207900525), (3, 69300175), (5, 41580105), (7, 29700075), (15, 13860035), (21, 9900025), (25, 8316021), (35, 5940015), (75, 2772007), (105, 1980005), (175, 1188003), (525, 396001)]