71314581

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 108653440

約数和(自身を除く): 37338859

約数列:

[1, 3, 13, 19, 39, 57, 157, 247, 471, 613, 741, 1839, 2041, 2983, 6123, 7969, 8949, 11647, 23907, 34941, 38779, 96241, 116337, 151411, 288723, 454233, 1251133, 1828579, 3753399, 5485737, 23771527, 71314581]

約数ペア:

[(1, 71314581), (3, 23771527), (13, 5485737), (19, 3753399), (39, 1828579), (57, 1251133), (157, 454233), (247, 288723), (471, 151411), (613, 116337), (741, 96241), (1839, 38779), (2041, 34941), (2983, 23907), (6123, 11647), (7969, 8949)]