15440139

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 28621824

約数和(自身を除く): 13181685

約数列:

[1, 3, 9, 11, 13, 27, 31, 33, 39, 43, 81, 93, 99, 117, 129, 143, 279, 297, 341, 351, 387, 403, 429, 473, 559, 837, 891, 1023, 1053, 1161, 1209, 1287, 1333, 1419, 1677, 2511, 3069, 3483, 3627, 3861, 3999, 4257, 4433, 5031, 6149, 9207, 10881, 11583, 11997, 12771, 13299, 14663, 15093, 17329, 18447, 27621, 32643, 35991, 38313, 39897, 43989, 45279, 51987, 55341, 107973, 119691, 131967, 155961, 166023, 190619, 359073, 395901, 467883, 498069, 571857, 1187703, 1403649, 1715571, 5146713, 15440139]

約数ペア:

[(1, 15440139), (3, 5146713), (9, 1715571), (11, 1403649), (13, 1187703), (27, 571857), (31, 498069), (33, 467883), (39, 395901), (43, 359073), (81, 190619), (93, 166023), (99, 155961), (117, 131967), (129, 119691), (143, 107973), (279, 55341), (297, 51987), (341, 45279), (351, 43989), (387, 39897), (403, 38313), (429, 35991), (473, 32643), (559, 27621), (837, 18447), (891, 17329), (1023, 15093), (1053, 14663), (1161, 13299), (1209, 12771), (1287, 11997), (1333, 11583), (1419, 10881), (1677, 9207), (2511, 6149), (3069, 5031), (3483, 4433), (3627, 4257), (3861, 3999)]