1288377

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:169

約数の個数: 24

約数和(自身を含む): 1974024

約数和(自身を除く): 685647

約数列:

[1, 3, 9, 37, 53, 73, 111, 159, 219, 333, 477, 657, 1961, 2701, 3869, 5883, 8103, 11607, 17649, 24309, 34821, 143153, 429459, 1288377]

約数ペア:

[(1, 1288377), (3, 429459), (9, 143153), (37, 34821), (53, 24309), (73, 17649), (111, 11607), (159, 8103), (219, 5883), (333, 3869), (477, 2701), (657, 1961)]