201617181

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{67273}}^1$

素因数の和:67322

約数の個数: 20

約数和(自身を含む): 309325852

約数和(自身を除く): 107708671

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 67273, 201819, 605457, 1816371, 2489101, 5449113, 7467303, 22401909, 67205727, 201617181]

約数ペア:

[(1, 201617181), (3, 67205727), (9, 22401909), (27, 7467303), (37, 5449113), (81, 2489101), (111, 1816371), (333, 605457), (999, 201819), (2997, 67273)]