689920989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{61441}}^1$

素因数の和:61660

約数の個数: 16

約数和(自身を含む): 973241280

約数和(自身を除く): 283320291

約数列:

[1, 3, 19, 57, 197, 591, 3743, 11229, 61441, 184323, 1167379, 3502137, 12103877, 36311631, 229973663, 689920989]

約数ペア:

[(1, 689920989), (3, 229973663), (19, 36311631), (57, 12103877), (197, 3502137), (591, 1167379), (3743, 184323), (11229, 61441)]