28739403

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 52356096

約数和(自身を除く): 23616693

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 113, 231, 339, 367, 693, 791, 1017, 1101, 1243, 2373, 2569, 3303, 3729, 4037, 7119, 7707, 8701, 11187, 12111, 23121, 26103, 28259, 36333, 41471, 78309, 84777, 124413, 254331, 290297, 373239, 456181, 870891, 1368543, 2612673, 3193267, 4105629, 9579801, 28739403]

約数ペア:

[(1, 28739403), (3, 9579801), (7, 4105629), (9, 3193267), (11, 2612673), (21, 1368543), (33, 870891), (63, 456181), (77, 373239), (99, 290297), (113, 254331), (231, 124413), (339, 84777), (367, 78309), (693, 41471), (791, 36333), (1017, 28259), (1101, 26103), (1243, 23121), (2373, 12111), (2569, 11187), (3303, 8701), (3729, 7707), (4037, 7119)]