207920055

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1980191}}^1$

素因数の和:1980206

約数の個数: 16

約数和(自身を含む): 380196864

約数和(自身を除く): 172276809

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1980191, 5940573, 9900955, 13861337, 29702865, 41584011, 69306685, 207920055]

約数ペア:

[(1, 207920055), (3, 69306685), (5, 41584011), (7, 29702865), (15, 13861337), (21, 9900955), (35, 5940573), (105, 1980191)]