1549989

素因数分解:

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

素因数の和:214

約数の個数: 32

約数和(自身を含む): 2688000

約数和(自身を除く): 1138011

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 139, 177, 189, 413, 417, 531, 973, 1239, 1251, 1593, 2919, 3717, 3753, 8201, 8757, 11151, 24603, 26271, 57407, 73809, 172221, 221427, 516663, 1549989]

約数ペア:

[(1, 1549989), (3, 516663), (7, 221427), (9, 172221), (21, 73809), (27, 57407), (59, 26271), (63, 24603), (139, 11151), (177, 8757), (189, 8201), (413, 3753), (417, 3717), (531, 2919), (973, 1593), (1239, 1251)]