2149678947

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1489729}}^1$

素因数の和:1489782

約数の個数: 16

約数和(自身を含む): 3170145440

約数和(自身を除く): 1020466493

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 1489729, 4469187, 19366477, 55119973, 58099431, 165359919, 716559649, 2149678947]

約数ペア:

[(1, 2149678947), (3, 716559649), (13, 165359919), (37, 58099431), (39, 55119973), (111, 19366477), (481, 4469187), (1443, 1489729)]