128213325

素因数分解:

$3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{15401}}^1$

素因数の和:15454

約数の個数: 36

約数和(自身を含む): 235866228

約数和(自身を除く): 107652903

約数列:

[1, 3, 5, 9, 15, 25, 37, 45, 75, 111, 185, 225, 333, 555, 925, 1665, 2775, 8325, 15401, 46203, 77005, 138609, 231015, 385025, 569837, 693045, 1155075, 1709511, 2849185, 3465225, 5128533, 8547555, 14245925, 25642665, 42737775, 128213325]

約数ペア:

[(1, 128213325), (3, 42737775), (5, 25642665), (9, 14245925), (15, 8547555), (25, 5128533), (37, 3465225), (45, 2849185), (75, 1709511), (111, 1155075), (185, 693045), (225, 569837), (333, 385025), (555, 231015), (925, 138609), (1665, 77005), (2775, 46203), (8325, 15401)]