16681059

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2152

約数の個数: 20

約数和(自身を含む): 25177680

約数和(自身を除く): 8496621

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2039, 2727, 6117, 8181, 18351, 55053, 165159, 205939, 617817, 1853451, 5560353, 16681059]

約数ペア:

[(1, 16681059), (3, 5560353), (9, 1853451), (27, 617817), (81, 205939), (101, 165159), (303, 55053), (909, 18351), (2039, 8181), (2727, 6117)]