27999702

素因数分解:

$2^1\times 3^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 64627200

約数和(自身を除く): 36627498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 67, 71, 109, 134, 142, 201, 213, 218, 327, 402, 426, 603, 639, 654, 981, 1206, 1278, 1809, 1917, 1962, 2943, 3618, 3834, 4757, 5886, 7303, 7739, 9514, 14271, 14606, 15478, 21909, 23217, 28542, 42813, 43818, 46434, 65727, 69651, 85626, 128439, 131454, 139302, 197181, 208953, 256878, 394362, 417906, 518513, 1037026, 1555539, 3111078, 4666617, 9333234, 13999851, 27999702]

約数ペア:

[(1, 27999702), (2, 13999851), (3, 9333234), (6, 4666617), (9, 3111078), (18, 1555539), (27, 1037026), (54, 518513), (67, 417906), (71, 394362), (109, 256878), (134, 208953), (142, 197181), (201, 139302), (213, 131454), (218, 128439), (327, 85626), (402, 69651), (426, 65727), (603, 46434), (639, 43818), (654, 42813), (981, 28542), (1206, 23217), (1278, 21909), (1809, 15478), (1917, 14606), (1962, 14271), (2943, 9514), (3618, 7739), (3834, 7303), (4757, 5886)]