389670477

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{639853}}^1$

素因数の和:639892

約数の個数: 16

約数和(自身を含む): 614259840

約数和(自身を除く): 224589363

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 639853, 1919559, 4478971, 13436913, 18555737, 55667211, 129890159, 389670477]

約数ペア:

[(1, 389670477), (3, 129890159), (7, 55667211), (21, 18555737), (29, 13436913), (87, 4478971), (203, 1919559), (609, 639853)]