72820863

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47317}}^1$

素因数の和:47348

約数の個数: 20

約数和(自身を含む): 114509560

約数和(自身を除く): 41688697

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 47317, 141951, 425853, 899023, 1277559, 2697069, 3832677, 8091207, 24273621, 72820863]

約数ペア:

[(1, 72820863), (3, 24273621), (9, 8091207), (19, 3832677), (27, 2697069), (57, 1277559), (81, 899023), (171, 425853), (513, 141951), (1539, 47317)]