2678655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 4967424

約数和(自身を除く): 2288769

約数列:

[1, 3, 5, 7, 15, 21, 35, 97, 105, 263, 291, 485, 679, 789, 1315, 1455, 1841, 2037, 3395, 3945, 5523, 9205, 10185, 25511, 27615, 76533, 127555, 178577, 382665, 535731, 892885, 2678655]

約数ペア:

[(1, 2678655), (3, 892885), (5, 535731), (7, 382665), (15, 178577), (21, 127555), (35, 76533), (97, 27615), (105, 25511), (263, 10185), (291, 9205), (485, 5523), (679, 3945), (789, 3395), (1315, 2037), (1455, 1841)]