9737721

素因数分解:

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

素因数の和:402

約数の個数: 36

約数和(自身を含む): 16645824

約数和(自身を除く): 6908103

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 311, 441, 497, 639, 933, 1491, 2177, 2799, 3479, 4473, 6531, 10437, 15239, 19593, 22081, 31311, 45717, 66243, 137151, 154567, 198729, 463701, 1081969, 1391103, 3245907, 9737721]

約数ペア:

[(1, 9737721), (3, 3245907), (7, 1391103), (9, 1081969), (21, 463701), (49, 198729), (63, 154567), (71, 137151), (147, 66243), (213, 45717), (311, 31311), (441, 22081), (497, 19593), (639, 15239), (933, 10437), (1491, 6531), (2177, 4473), (2799, 3479)]