28181595

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11117}}^1$

素因数の和:11151

約数の個数: 24

約数和(自身を含む): 48830256

約数和(自身を除く): 20648661

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 11117, 33351, 55585, 144521, 166755, 433563, 722605, 1878773, 2167815, 5636319, 9393865, 28181595]

約数ペア:

[(1, 28181595), (3, 9393865), (5, 5636319), (13, 2167815), (15, 1878773), (39, 722605), (65, 433563), (169, 166755), (195, 144521), (507, 55585), (845, 33351), (2535, 11117)]