66445137

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 114462720

約数和(自身を除く): 48017583

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 71, 99, 137, 207, 213, 253, 297, 411, 621, 639, 759, 781, 1233, 1507, 1633, 1917, 2277, 2343, 3151, 3699, 4521, 4899, 6831, 7029, 9453, 9727, 13563, 14697, 17963, 21087, 28359, 29181, 34661, 40689, 44091, 53889, 85077, 87543, 103983, 106997, 161667, 223721, 262629, 311949, 320991, 485001, 671163, 935847, 962973, 2013489, 2460931, 2888919, 6040467, 7382793, 22148379, 66445137]

約数ペア:

[(1, 66445137), (3, 22148379), (9, 7382793), (11, 6040467), (23, 2888919), (27, 2460931), (33, 2013489), (69, 962973), (71, 935847), (99, 671163), (137, 485001), (207, 320991), (213, 311949), (253, 262629), (297, 223721), (411, 161667), (621, 106997), (639, 103983), (759, 87543), (781, 85077), (1233, 53889), (1507, 44091), (1633, 40689), (1917, 34661), (2277, 29181), (2343, 28359), (3151, 21087), (3699, 17963), (4521, 14697), (4899, 13563), (6831, 9727), (7029, 9453)]