670486401

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{133271}}^1$

素因数の和:133333

約数の個数: 24

約数和(自身を含む): 1067242176

約数和(自身を除く): 396755775

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 133271, 399813, 1199439, 1732523, 5197569, 5730653, 15592707, 17191959, 51575877, 74498489, 223495467, 670486401]

約数ペア:

[(1, 670486401), (3, 223495467), (9, 74498489), (13, 51575877), (39, 17191959), (43, 15592707), (117, 5730653), (129, 5197569), (387, 1732523), (559, 1199439), (1677, 399813), (5031, 133271)]