39945633

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20903}}^1$

素因数の和:20933

約数の個数: 24

約数和(自身を含む): 66725568

約数和(自身を除く): 26779935

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20903, 62709, 146321, 271739, 438963, 815217, 1024247, 1902173, 3072741, 5706519, 13315211, 39945633]

約数ペア:

[(1, 39945633), (3, 13315211), (7, 5706519), (13, 3072741), (21, 1902173), (39, 1024247), (49, 815217), (91, 438963), (147, 271739), (273, 146321), (637, 62709), (1911, 20903)]