2399943

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 4032000

約数和(自身を除く): 1632057

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 149, 177, 273, 413, 447, 767, 1043, 1239, 1937, 2301, 3129, 5369, 5811, 8791, 13559, 16107, 26373, 40677, 61537, 114283, 184611, 342849, 799981, 2399943]

約数ペア:

[(1, 2399943), (3, 799981), (7, 342849), (13, 184611), (21, 114283), (39, 61537), (59, 40677), (91, 26373), (149, 16107), (177, 13559), (273, 8791), (413, 5811), (447, 5369), (767, 3129), (1043, 2301), (1239, 1937)]