3878517

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 16

約数和(自身を含む): 5322240

約数和(自身を除く): 1443723

約数列:

[1, 3, 71, 131, 139, 213, 393, 417, 9301, 9869, 18209, 27903, 29607, 54627, 1292839, 3878517]

約数ペア:

[(1, 3878517), (3, 1292839), (71, 54627), (131, 29607), (139, 27903), (213, 18209), (393, 9869), (417, 9301)]