66720267

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{4817}}^1$

素因数の和:4854

約数の個数: 28

約数和(自身を含む): 105321480

約数和(自身を除く): 38601213

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 4817, 13851, 14451, 43353, 91523, 130059, 274569, 390177, 823707, 1170531, 2471121, 3511593, 7413363, 22240089, 66720267]

約数ペア:

[(1, 66720267), (3, 22240089), (9, 7413363), (19, 3511593), (27, 2471121), (57, 1170531), (81, 823707), (171, 390177), (243, 274569), (513, 130059), (729, 91523), (1539, 43353), (4617, 14451), (4817, 13851)]