2782206

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 7008768

約数和(自身を除く): 4226562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 71, 126, 142, 213, 311, 426, 497, 622, 639, 933, 994, 1278, 1491, 1866, 2177, 2799, 2982, 4354, 4473, 5598, 6531, 8946, 13062, 19593, 22081, 39186, 44162, 66243, 132486, 154567, 198729, 309134, 397458, 463701, 927402, 1391103, 2782206]

約数ペア:

[(1, 2782206), (2, 1391103), (3, 927402), (6, 463701), (7, 397458), (9, 309134), (14, 198729), (18, 154567), (21, 132486), (42, 66243), (63, 44162), (71, 39186), (126, 22081), (142, 19593), (213, 13062), (311, 8946), (426, 6531), (497, 5598), (622, 4473), (639, 4354), (933, 2982), (994, 2799), (1278, 2177), (1491, 1866)]