280663905

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{28307}}^1$

素因数の和:28976

約数の個数: 16

約数和(自身を含む): 449757504

約数和(自身を除く): 169093599

約数列:

[1, 3, 5, 15, 661, 1983, 3305, 9915, 28307, 84921, 141535, 424605, 18710927, 56132781, 93554635, 280663905]

約数ペア:

[(1, 280663905), (3, 93554635), (5, 56132781), (15, 18710927), (661, 424605), (1983, 141535), (3305, 84921), (9915, 28307)]