27987915

素因数分解:

$3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{11447}}^1$

素因数の和:11618

約数の個数: 16

約数和(自身を含む): 45059328

約数和(自身を除く): 17071413

約数列:

[1, 3, 5, 15, 163, 489, 815, 2445, 11447, 34341, 57235, 171705, 1865861, 5597583, 9329305, 27987915]

約数ペア:

[(1, 27987915), (3, 9329305), (5, 5597583), (15, 1865861), (163, 171705), (489, 57235), (815, 34341), (2445, 11447)]