2783145987

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{247193}}^1$

素因数の和:247344

約数の個数: 20

約数和(自身を含む): 4187466360

約数和(自身を除く): 1404320373

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 247193, 741579, 2224737, 6674211, 20022633, 34359827, 103079481, 309238443, 927715329, 2783145987]

約数ペア:

[(1, 2783145987), (3, 927715329), (9, 309238443), (27, 103079481), (81, 34359827), (139, 20022633), (417, 6674211), (1251, 2224737), (3753, 741579), (11259, 247193)]