243289995

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1247641}}^1$

素因数の和:1247662

約数の個数: 16

約数和(自身を含む): 419207712

約数和(自身を除く): 175917717

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1247641, 3742923, 6238205, 16219333, 18714615, 48657999, 81096665, 243289995]

約数ペア:

[(1, 243289995), (3, 81096665), (5, 48657999), (13, 18714615), (15, 16219333), (39, 6238205), (65, 3742923), (195, 1247641)]