31243239

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 50494080

約数和(自身を除く): 19250841

約数列:

[1, 3, 9, 19, 27, 57, 67, 81, 101, 171, 201, 243, 303, 513, 603, 909, 1273, 1539, 1809, 1919, 2727, 3819, 4617, 5427, 5757, 6767, 8181, 11457, 16281, 17271, 20301, 24543, 34371, 51813, 60903, 103113, 128573, 155439, 182709, 309339, 385719, 466317, 548127, 1157157, 1644381, 3471471, 10414413, 31243239]

約数ペア:

[(1, 31243239), (3, 10414413), (9, 3471471), (19, 1644381), (27, 1157157), (57, 548127), (67, 466317), (81, 385719), (101, 309339), (171, 182709), (201, 155439), (243, 128573), (303, 103113), (513, 60903), (603, 51813), (909, 34371), (1273, 24543), (1539, 20301), (1809, 17271), (1919, 16281), (2727, 11457), (3819, 8181), (4617, 6767), (5427, 5757)]