81869427

素因数分解:

$3^3\times {\mathrm{73}}^2\times {\mathrm{569}}^1$

素因数の和:724

約数の個数: 24

約数和(自身を含む): 123188400

約数和(自身を除く): 41318973

約数列:

[1, 3, 9, 27, 73, 219, 569, 657, 1707, 1971, 5121, 5329, 15363, 15987, 41537, 47961, 124611, 143883, 373833, 1121499, 3032201, 9096603, 27289809, 81869427]

約数ペア:

[(1, 81869427), (3, 27289809), (9, 9096603), (27, 3032201), (73, 1121499), (219, 373833), (569, 143883), (657, 124611), (1707, 47961), (1971, 41537), (5121, 15987), (5329, 15363)]