28438641

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13679}}^1$

素因数の和:13706

約数の個数: 32

約数和(自身を含む): 52531200

約数和(自身を除く): 24092559

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 13679, 41037, 95753, 123111, 150469, 287259, 369333, 451407, 861777, 1053283, 1354221, 2585331, 3159849, 4062663, 9479547, 28438641]

約数ペア:

[(1, 28438641), (3, 9479547), (7, 4062663), (9, 3159849), (11, 2585331), (21, 1354221), (27, 1053283), (33, 861777), (63, 451407), (77, 369333), (99, 287259), (189, 150469), (231, 123111), (297, 95753), (693, 41037), (2079, 13679)]