201232899

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 344298240

約数和(自身を除く): 143065341

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 131, 259, 333, 393, 659, 777, 917, 1179, 1977, 2331, 2751, 4613, 4847, 5931, 8253, 13839, 14541, 24383, 33929, 41517, 43623, 73149, 86329, 101787, 170681, 219447, 258987, 305361, 512043, 604303, 776961, 1536129, 1812909, 3194173, 5438727, 9582519, 22359211, 28747557, 67077633, 201232899]

約数ペア:

[(1, 201232899), (3, 67077633), (7, 28747557), (9, 22359211), (21, 9582519), (37, 5438727), (63, 3194173), (111, 1812909), (131, 1536129), (259, 776961), (333, 604303), (393, 512043), (659, 305361), (777, 258987), (917, 219447), (1179, 170681), (1977, 101787), (2331, 86329), (2751, 73149), (4613, 43623), (4847, 41517), (5931, 33929), (8253, 24383), (13839, 14541)]