1350

素因数分解:

$2^1\times 3^3\times 5^2$

素因数の和:21

約数の個数: 24

約数和(自身を含む): 3720

約数和(自身を除く): 2370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 135, 150, 225, 270, 450, 675, 1350]

約数ペア:

[(1, 1350), (2, 675), (3, 450), (5, 270), (6, 225), (9, 150), (10, 135), (15, 90), (18, 75), (25, 54), (27, 50), (30, 45)]