28137213

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3000

約数の個数: 28

約数和(自身を含む): 45446940

約数和(自身を除く): 17309727

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 729, 1053, 2969, 3159, 8907, 9477, 26721, 38597, 80163, 115791, 240489, 347373, 721467, 1042119, 2164401, 3126357, 9379071, 28137213]

約数ペア:

[(1, 28137213), (3, 9379071), (9, 3126357), (13, 2164401), (27, 1042119), (39, 721467), (81, 347373), (117, 240489), (243, 115791), (351, 80163), (729, 38597), (1053, 26721), (2969, 9477), (3159, 8907)]