28626615

素因数分解:

$3^5\times 5^1\times {\mathrm{23561}}^1$

素因数の和:23581

約数の個数: 24

約数和(自身を含む): 51459408

約数和(自身を除く): 22832793

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23561, 70683, 117805, 212049, 353415, 636147, 1060245, 1908441, 3180735, 5725323, 9542205, 28626615]

約数ペア:

[(1, 28626615), (3, 9542205), (5, 5725323), (9, 3180735), (15, 1908441), (27, 1060245), (45, 636147), (81, 353415), (135, 212049), (243, 117805), (405, 70683), (1215, 23561)]