254996637

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 48

約数和(自身を含む): 410049792

約数和(自身を除く): 155053155

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 173, 259, 271, 519, 777, 813, 1211, 1813, 1897, 3633, 5439, 5691, 6401, 8477, 10027, 13279, 19203, 25431, 30081, 39837, 44807, 46883, 70189, 134421, 140649, 210567, 313649, 328181, 491323, 940947, 984543, 1473969, 1734671, 2297267, 5204013, 6891801, 12142697, 36428091, 84998879, 254996637]

約数ペア:

[(1, 254996637), (3, 84998879), (7, 36428091), (21, 12142697), (37, 6891801), (49, 5204013), (111, 2297267), (147, 1734671), (173, 1473969), (259, 984543), (271, 940947), (519, 491323), (777, 328181), (813, 313649), (1211, 210567), (1813, 140649), (1897, 134421), (3633, 70189), (5439, 46883), (5691, 44807), (6401, 39837), (8477, 30081), (10027, 25431), (13279, 19203)]