81769065

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2411}}^1$

素因数の和:2462

約数の個数: 64

約数和(自身を含む): 166717440

約数和(自身を除く): 84948375

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 51, 57, 85, 95, 105, 119, 133, 255, 285, 323, 357, 399, 595, 665, 969, 1615, 1785, 1995, 2261, 2411, 4845, 6783, 7233, 11305, 12055, 16877, 33915, 36165, 40987, 45809, 50631, 84385, 122961, 137427, 204935, 229045, 253155, 286909, 320663, 614805, 687135, 778753, 860727, 961989, 1434545, 1603315, 2336259, 3893765, 4303635, 4809945, 5451271, 11681295, 16353813, 27256355, 81769065]

約数ペア:

[(1, 81769065), (3, 27256355), (5, 16353813), (7, 11681295), (15, 5451271), (17, 4809945), (19, 4303635), (21, 3893765), (35, 2336259), (51, 1603315), (57, 1434545), (85, 961989), (95, 860727), (105, 778753), (119, 687135), (133, 614805), (255, 320663), (285, 286909), (323, 253155), (357, 229045), (399, 204935), (595, 137427), (665, 122961), (969, 84385), (1615, 50631), (1785, 45809), (1995, 40987), (2261, 36165), (2411, 33915), (4845, 16877), (6783, 12055), (7233, 11305)]