19685169

素因数分解:

$3^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1153}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 32644352

約数和(自身を除く): 12959183

約数列:

[1, 3, 7, 9, 21, 63, 271, 813, 1153, 1897, 2439, 3459, 5691, 8071, 10377, 17073, 24213, 72639, 312463, 937389, 2187241, 2812167, 6561723, 19685169]

約数ペア:

[(1, 19685169), (3, 6561723), (7, 2812167), (9, 2187241), (21, 937389), (63, 312463), (271, 72639), (813, 24213), (1153, 17073), (1897, 10377), (2439, 8071), (3459, 5691)]