1857137409

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{29}}^2\times {\mathrm{283}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 3037629920

約数和(自身を除く): 1180492511

約数列:

[1, 3, 9, 17, 27, 29, 51, 87, 153, 261, 283, 289, 459, 493, 783, 841, 849, 867, 1479, 2523, 2547, 2601, 4437, 4811, 7569, 7641, 7803, 8207, 8381, 13311, 14297, 14433, 22707, 24621, 25143, 42891, 43299, 73863, 75429, 81787, 128673, 129897, 139519, 221589, 226287, 238003, 243049, 245361, 386019, 418557, 714009, 729147, 736083, 1255671, 2142027, 2187441, 2208249, 2371823, 3767013, 4046051, 6426081, 6562323, 7115469, 12138153, 21346407, 36414459, 64039221, 68782867, 109243377, 206348601, 619045803, 1857137409]

約数ペア:

[(1, 1857137409), (3, 619045803), (9, 206348601), (17, 109243377), (27, 68782867), (29, 64039221), (51, 36414459), (87, 21346407), (153, 12138153), (261, 7115469), (283, 6562323), (289, 6426081), (459, 4046051), (493, 3767013), (783, 2371823), (841, 2208249), (849, 2187441), (867, 2142027), (1479, 1255671), (2523, 736083), (2547, 729147), (2601, 714009), (4437, 418557), (4811, 386019), (7569, 245361), (7641, 243049), (7803, 238003), (8207, 226287), (8381, 221589), (13311, 139519), (14297, 129897), (14433, 128673), (22707, 81787), (24621, 75429), (25143, 73863), (42891, 43299)]