211340943

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 342081792

約数和(自身を除く): 130740849

約数列:

[1, 3, 9, 11, 33, 71, 99, 107, 213, 281, 321, 639, 781, 843, 963, 1177, 2343, 2529, 3091, 3531, 7029, 7597, 9273, 10593, 19951, 22791, 27819, 30067, 59853, 68373, 83567, 90201, 179559, 219461, 250701, 270603, 330737, 658383, 752103, 992211, 1975149, 2134757, 2976633, 6404271, 19212813, 23482327, 70446981, 211340943]

約数ペア:

[(1, 211340943), (3, 70446981), (9, 23482327), (11, 19212813), (33, 6404271), (71, 2976633), (99, 2134757), (107, 1975149), (213, 992211), (281, 752103), (321, 658383), (639, 330737), (781, 270603), (843, 250701), (963, 219461), (1177, 179559), (2343, 90201), (2529, 83567), (3091, 68373), (3531, 59853), (7029, 30067), (7597, 27819), (9273, 22791), (10593, 19951)]