40340391

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1381}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 66866688

約数和(自身を除く): 26526297

約数列:

[1, 3, 7, 13, 21, 39, 91, 107, 273, 321, 749, 1381, 1391, 2247, 4143, 4173, 9667, 9737, 17953, 29001, 29211, 53859, 125671, 147767, 377013, 443301, 1034369, 1920971, 3103107, 5762913, 13446797, 40340391]

約数ペア:

[(1, 40340391), (3, 13446797), (7, 5762913), (13, 3103107), (21, 1920971), (39, 1034369), (91, 443301), (107, 377013), (273, 147767), (321, 125671), (749, 53859), (1381, 29211), (1391, 29001), (2247, 17953), (4143, 9737), (4173, 9667)]