2128761

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:694

約数の個数: 20

約数和(自身を含む): 3262644

約数和(自身を除く): 1133883

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 641, 1107, 1923, 3321, 5769, 17307, 26281, 51921, 78843, 236529, 709587, 2128761]

約数ペア:

[(1, 2128761), (3, 709587), (9, 236529), (27, 78843), (41, 51921), (81, 26281), (123, 17307), (369, 5769), (641, 3321), (1107, 1923)]