68164047

素因数分解:

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

素因数の和:409

約数の個数: 48

約数和(自身を含む): 116812800

約数和(自身を除く): 48648753

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 311, 343, 441, 497, 639, 933, 1029, 1491, 2177, 2799, 3087, 3479, 4473, 6531, 10437, 15239, 19593, 22081, 24353, 31311, 45717, 66243, 73059, 106673, 137151, 154567, 198729, 219177, 320019, 463701, 960057, 1081969, 1391103, 3245907, 7573783, 9737721, 22721349, 68164047]

約数ペア:

[(1, 68164047), (3, 22721349), (7, 9737721), (9, 7573783), (21, 3245907), (49, 1391103), (63, 1081969), (71, 960057), (147, 463701), (213, 320019), (311, 219177), (343, 198729), (441, 154567), (497, 137151), (639, 106673), (933, 73059), (1029, 66243), (1491, 45717), (2177, 31311), (2799, 24353), (3087, 22081), (3479, 19593), (4473, 15239), (6531, 10437)]