28691091

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2477}}^1$

素因数の和:2513

約数の個数: 40

約数和(自身を含む): 50372784

約数和(自身を除く): 21681693

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 297, 351, 429, 891, 1053, 1287, 2477, 3861, 7431, 11583, 22293, 27247, 32201, 66879, 81741, 96603, 200637, 245223, 289809, 354211, 735669, 869427, 1062633, 2207007, 2608281, 3187899, 9563697, 28691091]

約数ペア:

[(1, 28691091), (3, 9563697), (9, 3187899), (11, 2608281), (13, 2207007), (27, 1062633), (33, 869427), (39, 735669), (81, 354211), (99, 289809), (117, 245223), (143, 200637), (297, 96603), (351, 81741), (429, 66879), (891, 32201), (1053, 27247), (1287, 22293), (2477, 11583), (3861, 7431)]