7566921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 36

約数和(自身を含む): 12303252

約数和(自身を除く): 4736331

約数列:

[1, 3, 9, 17, 19, 51, 57, 137, 153, 171, 323, 361, 411, 969, 1083, 1233, 2329, 2603, 2907, 3249, 6137, 6987, 7809, 18411, 20961, 23427, 44251, 49457, 55233, 132753, 148371, 398259, 445113, 840769, 2522307, 7566921]

約数ペア:

[(1, 7566921), (3, 2522307), (9, 840769), (17, 445113), (19, 398259), (51, 148371), (57, 132753), (137, 55233), (153, 49457), (171, 44251), (323, 23427), (361, 20961), (411, 18411), (969, 7809), (1083, 6987), (1233, 6137), (2329, 3249), (2603, 2907)]