81591363

素因数分解:

$3^2\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1913}}^1$

素因数の和:2603

約数の個数: 24

約数和(自身を含む): 134959968

約数和(自身を除く): 53368605

約数列:

[1, 3, 7, 9, 21, 63, 677, 1913, 2031, 4739, 5739, 6093, 13391, 14217, 17217, 40173, 42651, 120519, 1295101, 3885303, 9065707, 11655909, 27197121, 81591363]

約数ペア:

[(1, 81591363), (3, 27197121), (7, 11655909), (9, 9065707), (21, 3885303), (63, 1295101), (677, 120519), (1913, 42651), (2031, 40173), (4739, 17217), (5739, 14217), (6093, 13391)]