1949642217

素因数分解:

$3^5\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 2966483520

約数和(自身を除く): 1016841303

約数列:

[1, 3, 9, 27, 81, 139, 197, 243, 293, 417, 591, 879, 1251, 1773, 2637, 3753, 5319, 7911, 11259, 15957, 23733, 27383, 33777, 40727, 47871, 57721, 71199, 82149, 122181, 173163, 246447, 366543, 519489, 739341, 1099629, 1558467, 2218023, 3298887, 4675401, 6654069, 8023219, 9896661, 14026203, 24069657, 72208971, 216626913, 649880739, 1949642217]

約数ペア:

[(1, 1949642217), (3, 649880739), (9, 216626913), (27, 72208971), (81, 24069657), (139, 14026203), (197, 9896661), (243, 8023219), (293, 6654069), (417, 4675401), (591, 3298887), (879, 2218023), (1251, 1558467), (1773, 1099629), (2637, 739341), (3753, 519489), (5319, 366543), (7911, 246447), (11259, 173163), (15957, 122181), (23733, 82149), (27383, 71199), (33777, 57721), (40727, 47871)]