28692279

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 54574080

約数和(自身を除く): 25881801

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 37, 63, 77, 99, 111, 189, 231, 259, 297, 333, 373, 407, 693, 777, 999, 1119, 1221, 2079, 2331, 2611, 2849, 3357, 3663, 4103, 6993, 7833, 8547, 10071, 10989, 12309, 13801, 23499, 25641, 28721, 36927, 41403, 70497, 76923, 86163, 96607, 110781, 124209, 151811, 258489, 289821, 372627, 455433, 775467, 869463, 1062677, 1366299, 2608389, 3188031, 4098897, 9564093, 28692279]

約数ペア:

[(1, 28692279), (3, 9564093), (7, 4098897), (9, 3188031), (11, 2608389), (21, 1366299), (27, 1062677), (33, 869463), (37, 775467), (63, 455433), (77, 372627), (99, 289821), (111, 258489), (189, 151811), (231, 124209), (259, 110781), (297, 96607), (333, 86163), (373, 76923), (407, 70497), (693, 41403), (777, 36927), (999, 28721), (1119, 25641), (1221, 23499), (2079, 13801), (2331, 12309), (2611, 10989), (2849, 10071), (3357, 8547), (3663, 7833), (4103, 6993)]