39727779

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20789}}^1$

素因数の和:20819

約数の個数: 24

約数和(自身を含む): 66361680

約数和(自身を除く): 26633901

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20789, 62367, 145523, 270257, 436569, 810771, 1018661, 1891799, 3055983, 5675397, 13242593, 39727779]

約数ペア:

[(1, 39727779), (3, 13242593), (7, 5675397), (13, 3055983), (21, 1891799), (39, 1018661), (49, 810771), (91, 436569), (147, 270257), (273, 145523), (637, 62367), (1911, 20789)]