25227081

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 16600887

約数列:

[1, 3, 9, 11, 33, 37, 71, 97, 99, 111, 213, 291, 333, 407, 639, 781, 873, 1067, 1221, 2343, 2627, 3201, 3589, 3663, 6887, 7029, 7881, 9603, 10767, 20661, 23643, 28897, 32301, 39479, 61983, 75757, 86691, 118437, 227271, 254819, 260073, 355311, 681813, 764457, 2293371, 2803009, 8409027, 25227081]

約数ペア:

[(1, 25227081), (3, 8409027), (9, 2803009), (11, 2293371), (33, 764457), (37, 681813), (71, 355311), (97, 260073), (99, 254819), (111, 227271), (213, 118437), (291, 86691), (333, 75757), (407, 61983), (639, 39479), (781, 32301), (873, 28897), (1067, 23643), (1221, 20661), (2343, 10767), (2627, 9603), (3201, 7881), (3589, 7029), (3663, 6887)]