28684161

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 47698560

約数和(自身を除く): 19014399

約数列:

[1, 3, 9, 11, 29, 33, 87, 97, 99, 103, 261, 291, 309, 319, 873, 927, 957, 1067, 1133, 2813, 2871, 2987, 3201, 3399, 8439, 8961, 9603, 9991, 10197, 25317, 26883, 29973, 30943, 32857, 89919, 92829, 98571, 109901, 278487, 289739, 295713, 329703, 869217, 989109, 2607651, 3187129, 9561387, 28684161]

約数ペア:

[(1, 28684161), (3, 9561387), (9, 3187129), (11, 2607651), (29, 989109), (33, 869217), (87, 329703), (97, 295713), (99, 289739), (103, 278487), (261, 109901), (291, 98571), (309, 92829), (319, 89919), (873, 32857), (927, 30943), (957, 29973), (1067, 26883), (1133, 25317), (2813, 10197), (2871, 9991), (2987, 9603), (3201, 8961), (3399, 8439)]