2390031

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 4018560

約数和(自身を除く): 1628529

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 643, 1239, 1929, 3717, 4501, 5787, 13503, 37937, 40509, 113811, 265559, 341433, 796677, 2390031]

約数ペア:

[(1, 2390031), (3, 796677), (7, 341433), (9, 265559), (21, 113811), (59, 40509), (63, 37937), (177, 13503), (413, 5787), (531, 4501), (643, 3717), (1239, 1929)]