80523801

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{18757}}^1$

素因数の和:18822

約数の個数: 20

約数和(自身を含む): 122564772

約数和(自身を除く): 42040971

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 18757, 56271, 168813, 506439, 994121, 1519317, 2982363, 8947089, 26841267, 80523801]

約数ペア:

[(1, 80523801), (3, 26841267), (9, 8947089), (27, 2982363), (53, 1519317), (81, 994121), (159, 506439), (477, 168813), (1431, 56271), (4293, 18757)]