20160419811

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{440983}}^1$

素因数の和:441311

約数の個数: 24

約数和(自身を含む): 31369837824

約数和(自身を除く): 11209418013

約数列:

[1, 3, 7, 21, 49, 147, 311, 933, 2177, 6531, 15239, 45717, 440983, 1322949, 3086881, 9260643, 21608167, 64824501, 137145713, 411437139, 960019991, 2880059973, 6720139937, 20160419811]

約数ペア:

[(1, 20160419811), (3, 6720139937), (7, 2880059973), (21, 960019991), (49, 411437139), (147, 137145713), (311, 64824501), (933, 21608167), (2177, 9260643), (6531, 3086881), (15239, 1322949), (45717, 440983)]