2912209209

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13729}}^1$

素因数の和:13799

約数の個数: 72

約数和(自身を含む): 5412530760

約数和(自身を除く): 2500321551

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 111, 117, 147, 259, 273, 333, 441, 481, 637, 777, 819, 1443, 1813, 1911, 2331, 3367, 4329, 5439, 5733, 10101, 13729, 16317, 23569, 30303, 41187, 70707, 96103, 123561, 178477, 212121, 288309, 507973, 535431, 672721, 864927, 1249339, 1523919, 1606293, 2018163, 3555811, 3748017, 4571757, 6054489, 6603649, 8745373, 10667433, 11244051, 19810947, 24890677, 26236119, 32002299, 46225543, 59432841, 74672031, 78708357, 138676629, 224016093, 323578801, 416029887, 970736403, 2912209209]

約数ペア:

[(1, 2912209209), (3, 970736403), (7, 416029887), (9, 323578801), (13, 224016093), (21, 138676629), (37, 78708357), (39, 74672031), (49, 59432841), (63, 46225543), (91, 32002299), (111, 26236119), (117, 24890677), (147, 19810947), (259, 11244051), (273, 10667433), (333, 8745373), (441, 6603649), (481, 6054489), (637, 4571757), (777, 3748017), (819, 3555811), (1443, 2018163), (1813, 1606293), (1911, 1523919), (2331, 1249339), (3367, 864927), (4329, 672721), (5439, 535431), (5733, 507973), (10101, 288309), (13729, 212121), (16317, 178477), (23569, 123561), (30303, 96103), (41187, 70707)]