12813885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2141}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 26732160

約数和(自身を除く): 13918275

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 2141, 5985, 6423, 10705, 14987, 19269, 32115, 40679, 44961, 74935, 96345, 122037, 134883, 203395, 224805, 284753, 366111, 610185, 674415, 854259, 1423765, 1830555, 2562777, 4271295, 12813885]

約数ペア:

[(1, 12813885), (3, 4271295), (5, 2562777), (7, 1830555), (9, 1423765), (15, 854259), (19, 674415), (21, 610185), (35, 366111), (45, 284753), (57, 224805), (63, 203395), (95, 134883), (105, 122037), (133, 96345), (171, 74935), (285, 44961), (315, 40679), (399, 32115), (665, 19269), (855, 14987), (1197, 10705), (1995, 6423), (2141, 5985)]