255079377

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 437432320

約数和(自身を除く): 182352943

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 211, 217, 279, 619, 633, 651, 1477, 1857, 1899, 1953, 4333, 4431, 5571, 6541, 12999, 13293, 19189, 19623, 38997, 45787, 57567, 58869, 130609, 134323, 137361, 172701, 391827, 402969, 412083, 914263, 1175481, 1208907, 2742789, 4048879, 8228367, 12146637, 28342153, 36439911, 85026459, 255079377]

約数ペア:

[(1, 255079377), (3, 85026459), (7, 36439911), (9, 28342153), (21, 12146637), (31, 8228367), (63, 4048879), (93, 2742789), (211, 1208907), (217, 1175481), (279, 914263), (619, 412083), (633, 402969), (651, 391827), (1477, 172701), (1857, 137361), (1899, 134323), (1953, 130609), (4333, 58869), (4431, 57567), (5571, 45787), (6541, 38997), (12999, 19623), (13293, 19189)]