2687421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 32

約数和(自身を含む): 4202496

約数和(自身を除く): 1515075

約数列:

[1, 3, 11, 31, 33, 37, 71, 93, 111, 213, 341, 407, 781, 1023, 1147, 1221, 2201, 2343, 2627, 3441, 6603, 7881, 12617, 24211, 28897, 37851, 72633, 81437, 86691, 244311, 895807, 2687421]

約数ペア:

[(1, 2687421), (3, 895807), (11, 244311), (31, 86691), (33, 81437), (37, 72633), (71, 37851), (93, 28897), (111, 24211), (213, 12617), (341, 7881), (407, 6603), (781, 3441), (1023, 2627), (1147, 2343), (1221, 2201)]