2809443021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12162091}}^1$

素因数の和:12162112

約数の個数: 16

約数和(自身を含む): 4670243328

約数和(自身を除く): 1860800307

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 12162091, 36486273, 85134637, 133783001, 255403911, 401349003, 936481007, 2809443021]

約数ペア:

[(1, 2809443021), (3, 936481007), (7, 401349003), (11, 255403911), (21, 133783001), (33, 85134637), (77, 36486273), (231, 12162091)]