87778899

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6883}}^1$

素因数の和:7011

約数の個数: 24

約数和(自身を含む): 137817680

約数和(自身を除く): 50038781

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 4251, 6883, 12753, 20649, 61947, 89479, 268437, 750247, 805311, 2250741, 6752223, 9753211, 29259633, 87778899]

約数ペア:

[(1, 87778899), (3, 29259633), (9, 9753211), (13, 6752223), (39, 2250741), (109, 805311), (117, 750247), (327, 268437), (981, 89479), (1417, 61947), (4251, 20649), (6883, 12753)]