90315

素因数分解:

$3^4\times 5^1\times {\mathrm{223}}^1$

素因数の和:240

約数の個数: 20

約数和(自身を含む): 162624

約数和(自身を除く): 72309

約数列:

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

約数ペア:

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