40385331

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1997}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 69050880

約数和(自身を除く): 28665549

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1997, 2247, 2889, 5991, 6741, 13979, 17973, 20223, 41937, 53919, 125811, 213679, 377433, 641037, 1495753, 1923111, 4487259, 5769333, 13461777, 40385331]

約数ペア:

[(1, 40385331), (3, 13461777), (7, 5769333), (9, 4487259), (21, 1923111), (27, 1495753), (63, 641037), (107, 377433), (189, 213679), (321, 125811), (749, 53919), (963, 41937), (1997, 20223), (2247, 17973), (2889, 13979), (5991, 6741)]