28903401

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 46060560

約数和(自身を除く): 17157159

約数列:

[1, 3, 9, 29, 37, 41, 73, 87, 111, 123, 219, 261, 333, 369, 657, 1073, 1189, 1517, 2117, 2701, 2993, 3219, 3567, 4551, 6351, 8103, 8979, 9657, 10701, 13653, 19053, 24309, 26937, 43993, 78329, 86797, 110741, 131979, 234987, 260391, 332223, 395937, 704961, 781173, 996669, 3211489, 9634467, 28903401]

約数ペア:

[(1, 28903401), (3, 9634467), (9, 3211489), (29, 996669), (37, 781173), (41, 704961), (73, 395937), (87, 332223), (111, 260391), (123, 234987), (219, 131979), (261, 110741), (333, 86797), (369, 78329), (657, 43993), (1073, 26937), (1189, 24309), (1517, 19053), (2117, 13653), (2701, 10701), (2993, 9657), (3219, 8979), (3567, 8103), (4551, 6351)]