179640909

素因数分解:

$3^6\times 7^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 84

約数和(自身を含む): 322968384

約数和(自身を除く): 143327475

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 81, 107, 141, 147, 189, 243, 321, 329, 423, 441, 567, 729, 749, 963, 987, 1269, 1323, 1701, 2247, 2303, 2889, 2961, 3807, 3969, 5029, 5103, 5243, 6741, 6909, 8667, 8883, 11421, 11907, 15087, 15729, 20223, 20727, 26001, 26649, 34263, 35203, 35721, 45261, 47187, 60669, 62181, 78003, 79947, 105609, 135783, 141561, 182007, 186543, 239841, 246421, 316827, 407349, 424683, 546021, 559629, 739263, 950481, 1222047, 1274049, 1678887, 2217789, 2851443, 3666141, 3822147, 6653367, 8554329, 19960101, 25662987, 59880303, 179640909]

約数ペア:

[(1, 179640909), (3, 59880303), (7, 25662987), (9, 19960101), (21, 8554329), (27, 6653367), (47, 3822147), (49, 3666141), (63, 2851443), (81, 2217789), (107, 1678887), (141, 1274049), (147, 1222047), (189, 950481), (243, 739263), (321, 559629), (329, 546021), (423, 424683), (441, 407349), (567, 316827), (729, 246421), (749, 239841), (963, 186543), (987, 182007), (1269, 141561), (1323, 135783), (1701, 105609), (2247, 79947), (2303, 78003), (2889, 62181), (2961, 60669), (3807, 47187), (3969, 45261), (5029, 35721), (5103, 35203), (5243, 34263), (6741, 26649), (6909, 26001), (8667, 20727), (8883, 20223), (11421, 15729), (11907, 15087)]