7221345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28319}}^1$

素因数の和:28344

約数の個数: 16

約数和(自身を含む): 12234240

約数和(自身を除く): 5012895

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 28319, 84957, 141595, 424785, 481423, 1444269, 2407115, 7221345]

約数ペア:

[(1, 7221345), (3, 2407115), (5, 1444269), (15, 481423), (17, 424785), (51, 141595), (85, 84957), (255, 28319)]