3686391

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:724

約数の個数: 20

約数和(自身を含む): 5593104

約数和(自身を除く): 1906713

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 641, 1917, 1923, 5751, 5769, 17307, 45511, 51921, 136533, 409599, 1228797, 3686391]

約数ペア:

[(1, 3686391), (3, 1228797), (9, 409599), (27, 136533), (71, 51921), (81, 45511), (213, 17307), (639, 5769), (641, 5751), (1917, 1923)]