8221905

素因数分解:

$3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 48

約数和(自身を含む): 15148224

約数和(自身を除く): 6926319

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 81, 101, 135, 201, 243, 303, 335, 405, 505, 603, 909, 1005, 1215, 1515, 1809, 2727, 3015, 4545, 5427, 6767, 8181, 9045, 13635, 16281, 20301, 24543, 27135, 33835, 40905, 60903, 81405, 101505, 122715, 182709, 304515, 548127, 913545, 1644381, 2740635, 8221905]

約数ペア:

[(1, 8221905), (3, 2740635), (5, 1644381), (9, 913545), (15, 548127), (27, 304515), (45, 182709), (67, 122715), (81, 101505), (101, 81405), (135, 60903), (201, 40905), (243, 33835), (303, 27135), (335, 24543), (405, 20301), (505, 16281), (603, 13635), (909, 9045), (1005, 8181), (1215, 6767), (1515, 5427), (1809, 4545), (2727, 3015)]