1239731487

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{10909}}^1$

素因数の和:11005

約数の個数: 40

約数和(自身を含む): 1964323680

約数和(自身を除く): 724592193

約数列:

[1, 3, 9, 23, 27, 61, 69, 81, 183, 207, 549, 621, 1403, 1647, 1863, 4209, 4941, 10909, 12627, 32727, 37881, 98181, 113643, 250907, 294543, 665449, 752721, 883629, 1996347, 2258163, 5989041, 6774489, 15305327, 17967123, 20323467, 45915981, 53901369, 137747943, 413243829, 1239731487]

約数ペア:

[(1, 1239731487), (3, 413243829), (9, 137747943), (23, 53901369), (27, 45915981), (61, 20323467), (69, 17967123), (81, 15305327), (183, 6774489), (207, 5989041), (549, 2258163), (621, 1996347), (1403, 883629), (1647, 752721), (1863, 665449), (4209, 294543), (4941, 250907), (10909, 113643), (12627, 98181), (32727, 37881)]