628419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 927360

約数和(自身を除く): 298941

約数列:

[1, 3, 11, 33, 137, 139, 411, 417, 1507, 1529, 4521, 4587, 19043, 57129, 209473, 628419]

約数ペア:

[(1, 628419), (3, 209473), (11, 57129), (33, 19043), (137, 4587), (139, 4521), (411, 1529), (417, 1507)]