7749945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:219

約数の個数: 64

約数和(自身を含む): 16128000

約数和(自身を除く): 8378055

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 59, 63, 105, 135, 139, 177, 189, 295, 315, 413, 417, 531, 695, 885, 945, 973, 1239, 1251, 1593, 2065, 2085, 2655, 2919, 3717, 3753, 4865, 6195, 6255, 7965, 8201, 8757, 11151, 14595, 18585, 18765, 24603, 26271, 41005, 43785, 55755, 57407, 73809, 123015, 131355, 172221, 221427, 287035, 369045, 516663, 861105, 1107135, 1549989, 2583315, 7749945]

約数ペア:

[(1, 7749945), (3, 2583315), (5, 1549989), (7, 1107135), (9, 861105), (15, 516663), (21, 369045), (27, 287035), (35, 221427), (45, 172221), (59, 131355), (63, 123015), (105, 73809), (135, 57407), (139, 55755), (177, 43785), (189, 41005), (295, 26271), (315, 24603), (413, 18765), (417, 18585), (531, 14595), (695, 11151), (885, 8757), (945, 8201), (973, 7965), (1239, 6255), (1251, 6195), (1593, 4865), (2065, 3753), (2085, 3717), (2655, 2919)]