1728945

素因数分解:

$3^5\times 5^1\times {\mathrm{1423}}^1$

素因数の和:1443

約数の個数: 24

約数和(自身を含む): 3110016

約数和(自身を除く): 1381071

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1423, 4269, 7115, 12807, 21345, 38421, 64035, 115263, 192105, 345789, 576315, 1728945]

約数ペア:

[(1, 1728945), (3, 576315), (5, 345789), (9, 192105), (15, 115263), (27, 64035), (45, 38421), (81, 21345), (135, 12807), (243, 7115), (405, 4269), (1215, 1423)]