201320001

素因数分解:

$3^2\times {\mathrm{17}}^3\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 321656400

約数和(自身を除く): 120336399

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 157, 261, 289, 471, 493, 867, 1413, 1479, 2601, 2669, 4437, 4553, 4913, 8007, 8381, 13659, 14739, 24021, 25143, 40977, 44217, 45373, 75429, 77401, 136119, 142477, 232203, 408357, 427431, 696609, 771341, 1282293, 1315817, 2314023, 3947451, 6942069, 11842353, 22368889, 67106667, 201320001]

約数ペア:

[(1, 201320001), (3, 67106667), (9, 22368889), (17, 11842353), (29, 6942069), (51, 3947451), (87, 2314023), (153, 1315817), (157, 1282293), (261, 771341), (289, 696609), (471, 427431), (493, 408357), (867, 232203), (1413, 142477), (1479, 136119), (2601, 77401), (2669, 75429), (4437, 45373), (4553, 44217), (4913, 40977), (8007, 25143), (8381, 24021), (13659, 14739)]