127691811

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 215351136

約数和(自身を除く): 87659325

約数列:

[1, 3, 9, 13, 17, 39, 43, 51, 117, 129, 153, 221, 387, 559, 663, 731, 1493, 1677, 1989, 2193, 4479, 5031, 6579, 9503, 13437, 19409, 25381, 28509, 58227, 64199, 76143, 85527, 174681, 192597, 228429, 329953, 577791, 834587, 989859, 1091383, 2503761, 2969577, 3274149, 7511283, 9822447, 14187979, 42563937, 127691811]

約数ペア:

[(1, 127691811), (3, 42563937), (9, 14187979), (13, 9822447), (17, 7511283), (39, 3274149), (43, 2969577), (51, 2503761), (117, 1091383), (129, 989859), (153, 834587), (221, 577791), (387, 329953), (559, 228429), (663, 192597), (731, 174681), (1493, 85527), (1677, 76143), (1989, 64199), (2193, 58227), (4479, 28509), (5031, 25381), (6579, 19409), (9503, 13437)]