2782521

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 4754880

約数和(自身を除く): 1972359

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1523, 1827, 4569, 10661, 13707, 31983, 44167, 95949, 132501, 309169, 397503, 927507, 2782521]

約数ペア:

[(1, 2782521), (3, 927507), (7, 397503), (9, 309169), (21, 132501), (29, 95949), (63, 44167), (87, 31983), (203, 13707), (261, 10661), (609, 4569), (1523, 1827)]