208889781

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{13523}}^1$

素因数の和:13816

約数の個数: 16

約数和(自身を含む): 294282240

約数和(自身を除く): 85392459

約数列:

[1, 3, 19, 57, 271, 813, 5149, 13523, 15447, 40569, 256937, 770811, 3664733, 10994199, 69629927, 208889781]

約数ペア:

[(1, 208889781), (3, 69629927), (19, 10994199), (57, 3664733), (271, 770811), (813, 256937), (5149, 40569), (13523, 15447)]