25291683

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 40666080

約数和(自身を除く): 15374397

約数列:

[1, 3, 9, 27, 29, 37, 81, 87, 97, 111, 243, 261, 291, 333, 783, 873, 999, 1073, 2349, 2619, 2813, 2997, 3219, 3589, 7047, 7857, 8439, 8991, 9657, 10767, 23571, 25317, 28971, 32301, 75951, 86913, 96903, 104081, 227853, 260739, 290709, 312243, 683559, 872127, 936729, 2810187, 8430561, 25291683]

約数ペア:

[(1, 25291683), (3, 8430561), (9, 2810187), (27, 936729), (29, 872127), (37, 683559), (81, 312243), (87, 290709), (97, 260739), (111, 227853), (243, 104081), (261, 96903), (291, 86913), (333, 75951), (783, 32301), (873, 28971), (999, 25317), (1073, 23571), (2349, 10767), (2619, 9657), (2813, 8991), (2997, 8439), (3219, 7857), (3589, 7047)]