27982647

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 50918400

約数和(自身を除く): 22935753

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 149, 231, 271, 447, 693, 813, 1043, 1341, 1639, 1897, 2439, 2981, 3129, 4917, 5691, 8943, 9387, 11473, 14751, 17073, 20867, 26829, 34419, 40379, 62601, 103257, 121137, 187803, 282653, 363411, 444169, 847959, 1332507, 2543877, 3109183, 3997521, 9327549, 27982647]

約数ペア:

[(1, 27982647), (3, 9327549), (7, 3997521), (9, 3109183), (11, 2543877), (21, 1332507), (33, 847959), (63, 444169), (77, 363411), (99, 282653), (149, 187803), (231, 121137), (271, 103257), (447, 62601), (693, 40379), (813, 34419), (1043, 26829), (1341, 20867), (1639, 17073), (1897, 14751), (2439, 11473), (2981, 9387), (3129, 8943), (4917, 5691)]