51063291

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 83026944

約数和(自身を除く): 31963653

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 243, 263, 423, 459, 789, 799, 1269, 1377, 2367, 2397, 3807, 4131, 4471, 7101, 7191, 11421, 12361, 13413, 21303, 21573, 37083, 40239, 63909, 64719, 111249, 120717, 194157, 210137, 333747, 362151, 630411, 1001241, 1086453, 1891233, 3003723, 5673699, 17021097, 51063291]

約数ペア:

[(1, 51063291), (3, 17021097), (9, 5673699), (17, 3003723), (27, 1891233), (47, 1086453), (51, 1001241), (81, 630411), (141, 362151), (153, 333747), (243, 210137), (263, 194157), (423, 120717), (459, 111249), (789, 64719), (799, 63909), (1269, 40239), (1377, 37083), (2367, 21573), (2397, 21303), (3807, 13413), (4131, 12361), (4471, 11421), (7101, 7191)]