287339943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1091}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 437778432

約数和(自身を除く): 150438489

約数列:

[1, 3, 11, 23, 33, 69, 253, 347, 759, 1041, 1091, 3273, 3817, 7981, 11451, 12001, 23943, 25093, 36003, 75279, 87791, 263373, 276023, 378577, 828069, 1135731, 4164347, 8707271, 12493041, 26121813, 95779981, 287339943]

約数ペア:

[(1, 287339943), (3, 95779981), (11, 26121813), (23, 12493041), (33, 8707271), (69, 4164347), (253, 1135731), (347, 828069), (759, 378577), (1041, 276023), (1091, 263373), (3273, 87791), (3817, 75279), (7981, 36003), (11451, 25093), (12001, 23943)]