71860527

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{881}}^1$

素因数の和:965

約数の個数: 40

約数和(自身を含む): 115259760

約数和(自身を除く): 43399233

約数列:

[1, 3, 9, 19, 27, 53, 57, 81, 159, 171, 477, 513, 881, 1007, 1431, 1539, 2643, 3021, 4293, 7929, 9063, 16739, 23787, 27189, 46693, 50217, 71361, 81567, 140079, 150651, 420237, 451953, 887167, 1260711, 1355859, 2661501, 3782133, 7984503, 23953509, 71860527]

約数ペア:

[(1, 71860527), (3, 23953509), (9, 7984503), (19, 3782133), (27, 2661501), (53, 1355859), (57, 1260711), (81, 887167), (159, 451953), (171, 420237), (477, 150651), (513, 140079), (881, 81567), (1007, 71361), (1431, 50217), (1539, 46693), (2643, 27189), (3021, 23787), (4293, 16739), (7929, 9063)]