2868129

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 48

約数和(自身を含む): 4979520

約数和(自身を除く): 2111391

約数列:

[1, 3, 9, 11, 27, 29, 33, 37, 81, 87, 99, 111, 243, 261, 297, 319, 333, 407, 783, 891, 957, 999, 1073, 1221, 2349, 2673, 2871, 2997, 3219, 3663, 7047, 8613, 8991, 9657, 10989, 11803, 25839, 28971, 32967, 35409, 77517, 86913, 98901, 106227, 260739, 318681, 956043, 2868129]

約数ペア:

[(1, 2868129), (3, 956043), (9, 318681), (11, 260739), (27, 106227), (29, 98901), (33, 86913), (37, 77517), (81, 35409), (87, 32967), (99, 28971), (111, 25839), (243, 11803), (261, 10989), (297, 9657), (319, 8991), (333, 8613), (407, 7047), (783, 3663), (891, 3219), (957, 2997), (999, 2871), (1073, 2673), (1221, 2349)]