1638549

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{613}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 2681952

約数和(自身を除く): 1043403

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 613, 891, 1839, 2673, 5517, 6743, 16551, 20229, 49653, 60687, 148959, 182061, 546183, 1638549]

約数ペア:

[(1, 1638549), (3, 546183), (9, 182061), (11, 148959), (27, 60687), (33, 49653), (81, 20229), (99, 16551), (243, 6743), (297, 5517), (613, 2673), (891, 1839)]