279279

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:68

約数の個数: 48

約数和(自身を含む): 559104

約数和(自身を除く): 279825

約数列:

[1, 3, 7, 9, 11, 13, 21, 31, 33, 39, 63, 77, 91, 93, 99, 117, 143, 217, 231, 273, 279, 341, 403, 429, 651, 693, 819, 1001, 1023, 1209, 1287, 1953, 2387, 2821, 3003, 3069, 3627, 4433, 7161, 8463, 9009, 13299, 21483, 25389, 31031, 39897, 93093, 279279]

約数ペア:

[(1, 279279), (3, 93093), (7, 39897), (9, 31031), (11, 25389), (13, 21483), (21, 13299), (31, 9009), (33, 8463), (39, 7161), (63, 4433), (77, 3627), (91, 3069), (93, 3003), (99, 2821), (117, 2387), (143, 1953), (217, 1287), (231, 1209), (273, 1023), (279, 1001), (341, 819), (403, 693), (429, 651)]