128477727

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{55117}}^1$

素因数の和:55167

約数の個数: 24

約数和(自身を含む): 217826336

約数和(自身を除く): 89348609

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 55117, 165351, 385819, 496053, 1157457, 2039329, 3472371, 6117987, 14275303, 18353961, 42825909, 128477727]

約数ペア:

[(1, 128477727), (3, 42825909), (7, 18353961), (9, 14275303), (21, 6117987), (37, 3472371), (63, 2039329), (111, 1157457), (259, 496053), (333, 385819), (777, 165351), (2331, 55117)]