270945

素因数分解:

$3^5\times 5^1\times {\mathrm{223}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 489216

約数和(自身を除く): 218271

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 223, 243, 405, 669, 1115, 1215, 2007, 3345, 6021, 10035, 18063, 30105, 54189, 90315, 270945]

約数ペア:

[(1, 270945), (3, 90315), (5, 54189), (9, 30105), (15, 18063), (27, 10035), (45, 6021), (81, 3345), (135, 2007), (223, 1215), (243, 1115), (405, 669)]