71402991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 106444800

約数和(自身を除く): 35041809

約数列:

[1, 3, 11, 33, 83, 131, 199, 249, 393, 597, 913, 1441, 2189, 2739, 4323, 6567, 10873, 16517, 26069, 32619, 49551, 78207, 119603, 181687, 286759, 358809, 545061, 860277, 2163727, 6491181, 23800997, 71402991]

約数ペア:

[(1, 71402991), (3, 23800997), (11, 6491181), (33, 2163727), (83, 860277), (131, 545061), (199, 358809), (249, 286759), (393, 181687), (597, 119603), (913, 78207), (1441, 49551), (2189, 32619), (2739, 26069), (4323, 16517), (6567, 10873)]