128518275

素因数分解:

$3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{6827}}^1$

素因数の和:7091

約数の個数: 24

約数和(自身を含む): 213361344

約数和(自身を除く): 84843069

約数列:

[1, 3, 5, 15, 25, 75, 251, 753, 1255, 3765, 6275, 6827, 18825, 20481, 34135, 102405, 170675, 512025, 1713577, 5140731, 8567885, 25703655, 42839425, 128518275]

約数ペア:

[(1, 128518275), (3, 42839425), (5, 25703655), (15, 8567885), (25, 5140731), (75, 1713577), (251, 512025), (753, 170675), (1255, 102405), (3765, 34135), (6275, 20481), (6827, 18825)]