2605281

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 4158720

約数和(自身を除く): 1553439

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 479, 777, 1437, 1813, 3353, 5439, 10059, 17723, 23471, 53169, 70413, 124061, 372183, 868427, 2605281]

約数ペア:

[(1, 2605281), (3, 868427), (7, 372183), (21, 124061), (37, 70413), (49, 53169), (111, 23471), (147, 17723), (259, 10059), (479, 5439), (777, 3353), (1437, 1813)]