820496145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{7814249}}^1$

素因数の和:7814264

約数の個数: 16

約数和(自身を含む): 1500336000

約数和(自身を除く): 679839855

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 7814249, 23442747, 39071245, 54699743, 117213735, 164099229, 273498715, 820496145]

約数ペア:

[(1, 820496145), (3, 273498715), (5, 164099229), (7, 117213735), (15, 54699743), (21, 39071245), (35, 23442747), (105, 7814249)]