804735

素因数分解:

$3^4\times 5^1\times {\mathrm{1987}}^1$

素因数の和:2004

約数の個数: 20

約数和(自身を含む): 1443288

約数和(自身を除く): 638553

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1987, 5961, 9935, 17883, 29805, 53649, 89415, 160947, 268245, 804735]

約数ペア:

[(1, 804735), (3, 268245), (5, 160947), (9, 89415), (15, 53649), (27, 29805), (45, 17883), (81, 9935), (135, 5961), (405, 1987)]