39877191

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{15881}}^1$

素因数の和:15924

約数の個数: 20

約数和(自身を含む): 61495104

約数和(自身を除く): 21617913

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 15881, 47643, 142929, 428787, 492311, 1286361, 1476933, 4430799, 13292397, 39877191]

約数ペア:

[(1, 39877191), (3, 13292397), (9, 4430799), (27, 1476933), (31, 1286361), (81, 492311), (93, 428787), (279, 142929), (837, 47643), (2511, 15881)]