37487247

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 61440000

約数和(自身を除く): 23952753

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1999, 2679, 5997, 6251, 13993, 18753, 37981, 41979, 93953, 113943, 265867, 281859, 657671, 797601, 1785107, 1973013, 5355321, 12495749, 37487247]

約数ペア:

[(1, 37487247), (3, 12495749), (7, 5355321), (19, 1973013), (21, 1785107), (47, 797601), (57, 657671), (133, 281859), (141, 265867), (329, 113943), (399, 93953), (893, 41979), (987, 37981), (1999, 18753), (2679, 13993), (5997, 6251)]