19910299311

素因数分解:

$3^3\times 7^2\times {\mathrm{2087}}^1\times {\mathrm{7211}}^1$

素因数の和:9321

約数の個数: 48

約数和(自身を含む): 34333735680

約数和(自身を除く): 14423436369

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2087, 6261, 7211, 14609, 18783, 21633, 43827, 50477, 56349, 64899, 102263, 131481, 151431, 194697, 306789, 353339, 394443, 454293, 920367, 1060017, 1362879, 2761101, 3180051, 9540153, 15049357, 45148071, 105345499, 135444213, 316036497, 406332639, 737418493, 948109491, 2212255479, 2844328473, 6636766437, 19910299311]

約数ペア:

[(1, 19910299311), (3, 6636766437), (7, 2844328473), (9, 2212255479), (21, 948109491), (27, 737418493), (49, 406332639), (63, 316036497), (147, 135444213), (189, 105345499), (441, 45148071), (1323, 15049357), (2087, 9540153), (6261, 3180051), (7211, 2761101), (14609, 1362879), (18783, 1060017), (21633, 920367), (43827, 454293), (50477, 394443), (56349, 353339), (64899, 306789), (102263, 194697), (131481, 151431)]