30979995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1117}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 50792976

約数和(自身を除く): 19812981

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1117, 1849, 3351, 5547, 5585, 9245, 16755, 27735, 48031, 144093, 240155, 720465, 2065333, 6195999, 10326665, 30979995]

約数ペア:

[(1, 30979995), (3, 10326665), (5, 6195999), (15, 2065333), (43, 720465), (129, 240155), (215, 144093), (645, 48031), (1117, 27735), (1849, 16755), (3351, 9245), (5547, 5585)]