128872521

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{3701}}^1$

素因数の和:3833

約数の個数: 24

約数和(自身を含む): 192311496

約数和(自身を除く): 63438975

約数列:

[1, 3, 9, 53, 73, 159, 219, 477, 657, 3701, 3869, 11103, 11607, 33309, 34821, 196153, 270173, 588459, 810519, 1765377, 2431557, 14319169, 42957507, 128872521]

約数ペア:

[(1, 128872521), (3, 42957507), (9, 14319169), (53, 2431557), (73, 1765377), (159, 810519), (219, 588459), (477, 270173), (657, 196153), (3701, 34821), (3869, 33309), (11103, 11607)]