66390579

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1951}}^1$

素因数の和:2175

約数の個数: 24

約数和(自身を含む): 101504000

約数和(自身を除く): 35113421

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 1951, 3781, 5853, 11343, 17559, 34029, 37069, 111207, 333621, 388249, 1164747, 3494241, 7376731, 22130193, 66390579]

約数ペア:

[(1, 66390579), (3, 22130193), (9, 7376731), (19, 3494241), (57, 1164747), (171, 388249), (199, 333621), (597, 111207), (1791, 37069), (1951, 34029), (3781, 17559), (5853, 11343)]