18991071

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{5813}}^1$

素因数の和:5844

約数の個数: 24

約数和(自身を含む): 30930480

約数和(自身を除く): 11939409

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 5813, 17439, 52317, 63943, 156951, 191829, 575487, 703373, 1726461, 2110119, 6330357, 18991071]

約数ペア:

[(1, 18991071), (3, 6330357), (9, 2110119), (11, 1726461), (27, 703373), (33, 575487), (99, 191829), (121, 156951), (297, 63943), (363, 52317), (1089, 17439), (3267, 5813)]