2740045

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 4136832

約数和(自身を除く): 1396787

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 647, 847, 3235, 4235, 4529, 7117, 22645, 35585, 49819, 78287, 249095, 391435, 548009, 2740045]

約数ペア:

[(1, 2740045), (5, 548009), (7, 391435), (11, 249095), (35, 78287), (55, 49819), (77, 35585), (121, 22645), (385, 7117), (605, 4529), (647, 4235), (847, 3235)]