28339389

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{8971}}^1$

素因数の和:8999

約数の個数: 24

約数和(自身を含む): 45721312

約数和(自身を除く): 17381923

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 8971, 26913, 80739, 116623, 242217, 349869, 726651, 1049607, 2179953, 3148821, 9446463, 28339389]

約数ペア:

[(1, 28339389), (3, 9446463), (9, 3148821), (13, 2179953), (27, 1049607), (39, 726651), (81, 349869), (117, 242217), (243, 116623), (351, 80739), (1053, 26913), (3159, 8971)]