39963861

素因数分解:

$3^4\times 7^2\times {\mathrm{10069}}^1$

素因数の和:10095

約数の個数: 30

約数和(自身を含む): 69452790

約数和(自身を除く): 29488929

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 10069, 30207, 70483, 90621, 211449, 271863, 493381, 634347, 815589, 1480143, 1903041, 4440429, 5709123, 13321287, 39963861]

約数ペア:

[(1, 39963861), (3, 13321287), (7, 5709123), (9, 4440429), (21, 1903041), (27, 1480143), (49, 815589), (63, 634347), (81, 493381), (147, 271863), (189, 211449), (441, 90621), (567, 70483), (1323, 30207), (3969, 10069)]