2871666

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 7464960

約数和(自身を除く): 4593294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 107, 126, 142, 189, 213, 214, 321, 378, 426, 497, 639, 642, 749, 963, 994, 1278, 1491, 1498, 1917, 1926, 2247, 2889, 2982, 3834, 4473, 4494, 5778, 6741, 7597, 8946, 13419, 13482, 15194, 20223, 22791, 26838, 40446, 45582, 53179, 68373, 106358, 136746, 159537, 205119, 319074, 410238, 478611, 957222, 1435833, 2871666]

約数ペア:

[(1, 2871666), (2, 1435833), (3, 957222), (6, 478611), (7, 410238), (9, 319074), (14, 205119), (18, 159537), (21, 136746), (27, 106358), (42, 68373), (54, 53179), (63, 45582), (71, 40446), (107, 26838), (126, 22791), (142, 20223), (189, 15194), (213, 13482), (214, 13419), (321, 8946), (378, 7597), (426, 6741), (497, 5778), (639, 4494), (642, 4473), (749, 3834), (963, 2982), (994, 2889), (1278, 2247), (1491, 1926), (1498, 1917)]