2830221

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 4469920

約数和(自身を除く): 1639699

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 613, 1539, 1839, 4617, 5517, 11647, 16551, 34941, 49653, 104823, 148959, 314469, 943407, 2830221]

約数ペア:

[(1, 2830221), (3, 943407), (9, 314469), (19, 148959), (27, 104823), (57, 49653), (81, 34941), (171, 16551), (243, 11647), (513, 5517), (613, 4617), (1539, 1839)]