17881377

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 24265920

約数和(自身を除く): 6384543

約数列:

[1, 3, 137, 139, 313, 411, 417, 939, 19043, 42881, 43507, 57129, 128643, 130521, 5960459, 17881377]

約数ペア:

[(1, 17881377), (3, 5960459), (137, 130521), (139, 128643), (313, 57129), (411, 43507), (417, 42881), (939, 19043)]