201772945

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{30319}}^1$

素因数の和:30357

約数の個数: 16

約数和(自身を含む): 266330880

約数和(自身を除く): 64557935

約数列:

[1, 5, 11, 55, 121, 605, 1331, 6655, 30319, 151595, 333509, 1667545, 3668599, 18342995, 40354589, 201772945]

約数ペア:

[(1, 201772945), (5, 40354589), (11, 18342995), (55, 3668599), (121, 1667545), (605, 333509), (1331, 151595), (6655, 30319)]