1239021

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 2081664

約数和(自身を除く): 842643

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 277, 497, 639, 831, 1491, 1939, 2493, 4473, 5817, 17451, 19667, 59001, 137669, 177003, 413007, 1239021]

約数ペア:

[(1, 1239021), (3, 413007), (7, 177003), (9, 137669), (21, 59001), (63, 19667), (71, 17451), (213, 5817), (277, 4473), (497, 2493), (639, 1939), (831, 1491)]