16385391

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 28154880

約数和(自身を除く): 11769489

約数列:

[1, 3, 9, 11, 19, 31, 33, 57, 93, 99, 171, 209, 279, 281, 341, 589, 627, 843, 1023, 1767, 1881, 2529, 3069, 3091, 5301, 5339, 6479, 8711, 9273, 16017, 19437, 26133, 27819, 48051, 58311, 58729, 78399, 95821, 165509, 176187, 287463, 496527, 528561, 862389, 1489581, 1820599, 5461797, 16385391]

約数ペア:

[(1, 16385391), (3, 5461797), (9, 1820599), (11, 1489581), (19, 862389), (31, 528561), (33, 496527), (57, 287463), (93, 176187), (99, 165509), (171, 95821), (209, 78399), (279, 58729), (281, 58311), (341, 48051), (589, 27819), (627, 26133), (843, 19437), (1023, 16017), (1767, 9273), (1881, 8711), (2529, 6479), (3069, 5339), (3091, 5301)]