7157997

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{313}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 13363840

約数和(自身を除く): 6205843

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 121, 189, 231, 297, 313, 363, 693, 847, 939, 1089, 2079, 2191, 2541, 2817, 3267, 3443, 6573, 7623, 8451, 10329, 19719, 22869, 24101, 30987, 37873, 59157, 72303, 92961, 113619, 216909, 265111, 340857, 650727, 795333, 1022571, 2385999, 7157997]

約数ペア:

[(1, 7157997), (3, 2385999), (7, 1022571), (9, 795333), (11, 650727), (21, 340857), (27, 265111), (33, 216909), (63, 113619), (77, 92961), (99, 72303), (121, 59157), (189, 37873), (231, 30987), (297, 24101), (313, 22869), (363, 19719), (693, 10329), (847, 8451), (939, 7623), (1089, 6573), (2079, 3443), (2191, 3267), (2541, 2817)]