15741999

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 29568000

約数和(自身を除く): 13826001

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 43, 63, 91, 117, 129, 149, 189, 273, 301, 351, 387, 447, 559, 819, 903, 1043, 1161, 1341, 1677, 1937, 2457, 2709, 3129, 3913, 4023, 5031, 5811, 6407, 8127, 9387, 11739, 13559, 15093, 17433, 19221, 28161, 35217, 40677, 44849, 52299, 57663, 83291, 105651, 122031, 134547, 172989, 249873, 366093, 403641, 583037, 749619, 1210923, 1749111, 2248857, 5247333, 15741999]

約数ペア:

[(1, 15741999), (3, 5247333), (7, 2248857), (9, 1749111), (13, 1210923), (21, 749619), (27, 583037), (39, 403641), (43, 366093), (63, 249873), (91, 172989), (117, 134547), (129, 122031), (149, 105651), (189, 83291), (273, 57663), (301, 52299), (351, 44849), (387, 40677), (447, 35217), (559, 28161), (819, 19221), (903, 17433), (1043, 15093), (1161, 13559), (1341, 11739), (1677, 9387), (1937, 8127), (2457, 6407), (2709, 5811), (3129, 5031), (3913, 4023)]