199433871

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 72

約数和(自身を含む): 369729360

約数和(自身を除く): 170295489

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 49, 63, 91, 117, 129, 147, 273, 301, 387, 441, 559, 637, 809, 819, 903, 1677, 1911, 2107, 2427, 2709, 3913, 5031, 5663, 5733, 6321, 7281, 10517, 11739, 16989, 18963, 27391, 31551, 34787, 35217, 39641, 50967, 73619, 82173, 94653, 104361, 118923, 220857, 243509, 246519, 313083, 356769, 452231, 515333, 662571, 730527, 1356693, 1545999, 1704563, 2191581, 3165617, 4070079, 4637997, 5113689, 9496851, 15341067, 22159319, 28490553, 66477957, 199433871]

約数ペア:

[(1, 199433871), (3, 66477957), (7, 28490553), (9, 22159319), (13, 15341067), (21, 9496851), (39, 5113689), (43, 4637997), (49, 4070079), (63, 3165617), (91, 2191581), (117, 1704563), (129, 1545999), (147, 1356693), (273, 730527), (301, 662571), (387, 515333), (441, 452231), (559, 356769), (637, 313083), (809, 246519), (819, 243509), (903, 220857), (1677, 118923), (1911, 104361), (2107, 94653), (2427, 82173), (2709, 73619), (3913, 50967), (5031, 39641), (5663, 35217), (5733, 34787), (6321, 31551), (7281, 27391), (10517, 18963), (11739, 16989)]