204313995

素因数分解:

$3^4\times 5^1\times {\mathrm{504479}}^1$

素因数の和:504496

約数の個数: 20

約数和(自身を含む): 366252480

約数和(自身を除く): 161938485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 504479, 1513437, 2522395, 4540311, 7567185, 13620933, 22701555, 40862799, 68104665, 204313995]

約数ペア:

[(1, 204313995), (3, 68104665), (5, 40862799), (9, 22701555), (15, 13620933), (27, 7567185), (45, 4540311), (81, 2522395), (135, 1513437), (405, 504479)]