54891999

素因数分解:

$3^5\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:981

約数の個数: 24

約数和(自身を含む): 82577040

約数和(自身を除く): 27685041

約数列:

[1, 3, 9, 27, 81, 243, 397, 569, 1191, 1707, 3573, 5121, 10719, 15363, 32157, 46089, 96471, 138267, 225893, 677679, 2033037, 6099111, 18297333, 54891999]

約数ペア:

[(1, 54891999), (3, 18297333), (9, 6099111), (27, 2033037), (81, 677679), (243, 225893), (397, 138267), (569, 96471), (1191, 46089), (1707, 32157), (3573, 15363), (5121, 10719)]