2748978

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:324

約数の個数: 40

約数和(自身を含む): 6272640

約数和(自身を除く): 3523662

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 239, 426, 478, 639, 717, 1278, 1434, 1917, 2151, 3834, 4302, 5751, 6453, 11502, 12906, 16969, 19359, 33938, 38718, 50907, 101814, 152721, 305442, 458163, 916326, 1374489, 2748978]

約数ペア:

[(1, 2748978), (2, 1374489), (3, 916326), (6, 458163), (9, 305442), (18, 152721), (27, 101814), (54, 50907), (71, 38718), (81, 33938), (142, 19359), (162, 16969), (213, 12906), (239, 11502), (426, 6453), (478, 5751), (639, 4302), (717, 3834), (1278, 2151), (1434, 1917)]