80720715

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{53281}}^1$

素因数の和:53390

約数の個数: 16

約数和(自身を含む): 130434336

約数和(自身を除く): 49713621

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 53281, 159843, 266405, 799215, 5381381, 16144143, 26906905, 80720715]

約数ペア:

[(1, 80720715), (3, 26906905), (5, 16144143), (15, 5381381), (101, 799215), (303, 266405), (505, 159843), (1515, 53281)]