81238671

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{1607}}^1$

素因数の和:1791

約数の個数: 24

約数和(自身を含む): 121159584

約数和(自身を除く): 39920913

約数列:

[1, 3, 9, 41, 123, 137, 369, 411, 1233, 1607, 4821, 5617, 14463, 16851, 50553, 65887, 197661, 220159, 592983, 660477, 1981431, 9026519, 27079557, 81238671]

約数ペア:

[(1, 81238671), (3, 27079557), (9, 9026519), (41, 1981431), (123, 660477), (137, 592983), (369, 220159), (411, 197661), (1233, 65887), (1607, 50553), (4821, 16851), (5617, 14463)]