81327969

素因数分解:

$3^7\times {\mathrm{41}}^1\times {\mathrm{907}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 125086080

約数和(自身を除く): 43758111

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 729, 907, 1107, 2187, 2721, 3321, 8163, 9963, 24489, 29889, 37187, 73467, 89667, 111561, 220401, 334683, 661203, 1004049, 1983609, 3012147, 9036441, 27109323, 81327969]

約数ペア:

[(1, 81327969), (3, 27109323), (9, 9036441), (27, 3012147), (41, 1983609), (81, 1004049), (123, 661203), (243, 334683), (369, 220401), (729, 111561), (907, 89667), (1107, 73467), (2187, 37187), (2721, 29889), (3321, 24489), (8163, 9963)]