66891555

素因数分解:

$3^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{773}}^1$

素因数の和:1428

約数の個数: 32

約数和(自身を含む): 119257920

約数和(自身を除く): 52366365

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 641, 773, 1923, 2319, 3205, 3865, 5769, 6957, 9615, 11595, 17307, 20871, 28845, 34785, 86535, 104355, 495493, 1486479, 2477465, 4459437, 7432395, 13378311, 22297185, 66891555]

約数ペア:

[(1, 66891555), (3, 22297185), (5, 13378311), (9, 7432395), (15, 4459437), (27, 2477465), (45, 1486479), (135, 495493), (641, 104355), (773, 86535), (1923, 34785), (2319, 28845), (3205, 20871), (3865, 17307), (5769, 11595), (6957, 9615)]