27980106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 70834176

約数和(自身を除く): 42854070

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 781, 853, 994, 1491, 1562, 1706, 2343, 2559, 2982, 4686, 5118, 5467, 5971, 9383, 10934, 11942, 16401, 17913, 18766, 28149, 32802, 35826, 56298, 60563, 65681, 121126, 131362, 181689, 197043, 363378, 394086, 423941, 666193, 847882, 1271823, 1332386, 1998579, 2543646, 3997158, 4663351, 9326702, 13990053, 27980106]

約数ペア:

[(1, 27980106), (2, 13990053), (3, 9326702), (6, 4663351), (7, 3997158), (11, 2543646), (14, 1998579), (21, 1332386), (22, 1271823), (33, 847882), (42, 666193), (66, 423941), (71, 394086), (77, 363378), (142, 197043), (154, 181689), (213, 131362), (231, 121126), (426, 65681), (462, 60563), (497, 56298), (781, 35826), (853, 32802), (994, 28149), (1491, 18766), (1562, 17913), (1706, 16401), (2343, 11942), (2559, 10934), (2982, 9383), (4686, 5971), (5118, 5467)]