28575261

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2467}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 50169504

約数和(自身を除く): 21594243

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 2467, 3861, 7401, 11583, 22203, 27137, 32071, 66609, 81411, 96213, 199827, 244233, 288639, 352781, 732699, 865917, 1058343, 2198097, 2597751, 3175029, 9525087, 28575261]

約数ペア:

[(1, 28575261), (3, 9525087), (9, 3175029), (11, 2597751), (13, 2198097), (27, 1058343), (33, 865917), (39, 732699), (81, 352781), (99, 288639), (117, 244233), (143, 199827), (297, 96213), (351, 81411), (429, 66609), (891, 32071), (1053, 27137), (1287, 22203), (2467, 11583), (3861, 7401)]