664444809

素因数分解:

$3^3\times 7^1\times {\mathrm{1277}}^1\times {\mathrm{2753}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 1126275840

約数和(自身を除く): 461831031

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1277, 2753, 3831, 8259, 8939, 11493, 19271, 24777, 26817, 34479, 57813, 74331, 80451, 173439, 241353, 520317, 3515581, 10546743, 24609067, 31640229, 73827201, 94920687, 221481603, 664444809]

約数ペア:

[(1, 664444809), (3, 221481603), (7, 94920687), (9, 73827201), (21, 31640229), (27, 24609067), (63, 10546743), (189, 3515581), (1277, 520317), (2753, 241353), (3831, 173439), (8259, 80451), (8939, 74331), (11493, 57813), (19271, 34479), (24777, 26817)]