13121805

素因数分解:

$3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2521}}^1$

素因数の和:2876

約数の個数: 16

約数和(自身を含む): 21063744

約数和(自身を除く): 7941939

約数列:

[1, 3, 5, 15, 347, 1041, 1735, 2521, 5205, 7563, 12605, 37815, 874787, 2624361, 4373935, 13121805]

約数ペア:

[(1, 13121805), (3, 4373935), (5, 2624361), (15, 874787), (347, 37815), (1041, 12605), (1735, 7563), (2521, 5205)]