420915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2551}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 734976

約数和(自身を除く): 314061

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 2551, 7653, 12755, 28061, 38265, 84183, 140305, 420915]

約数ペア:

[(1, 420915), (3, 140305), (5, 84183), (11, 38265), (15, 28061), (33, 12755), (55, 7653), (165, 2551)]