397281429

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 615206592

約数和(自身を除く): 217925163

約数列:

[1, 3, 9, 27, 43, 81, 129, 193, 197, 243, 387, 579, 591, 1161, 1737, 1773, 3483, 5211, 5319, 8299, 8471, 10449, 15633, 15957, 24897, 25413, 38021, 46899, 47871, 74691, 76239, 114063, 224073, 228717, 342189, 672219, 686151, 1026567, 1634903, 2016657, 2058453, 3079701, 4904709, 9239103, 14714127, 44142381, 132427143, 397281429]

約数ペア:

[(1, 397281429), (3, 132427143), (9, 44142381), (27, 14714127), (43, 9239103), (81, 4904709), (129, 3079701), (193, 2058453), (197, 2016657), (243, 1634903), (387, 1026567), (579, 686151), (591, 672219), (1161, 342189), (1737, 228717), (1773, 224073), (3483, 114063), (5211, 76239), (5319, 74691), (8299, 47871), (8471, 46899), (10449, 38021), (15633, 25413), (15957, 24897)]