9721863

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{6317}}^1$

素因数の和:6348

約数の個数: 20

約数和(自身を含む): 15289560

約数和(自身を除く): 5567697

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 6317, 18951, 56853, 120023, 170559, 360069, 511677, 1080207, 3240621, 9721863]

約数ペア:

[(1, 9721863), (3, 3240621), (9, 1080207), (19, 511677), (27, 360069), (57, 170559), (81, 120023), (171, 56853), (513, 18951), (1539, 6317)]