81519018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1940929}}^1$

素因数の和:1940941

約数の個数: 16

約数和(自身を含む): 186329280

約数和(自身を除く): 104810262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1940929, 3881858, 5822787, 11645574, 13586503, 27173006, 40759509, 81519018]

約数ペア:

[(1, 81519018), (2, 40759509), (3, 27173006), (6, 13586503), (7, 11645574), (14, 5822787), (21, 3881858), (42, 1940929)]