1520365

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:393

約数の個数: 24

約数和(自身を含む): 2298240

約数和(自身を除く): 777875

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 359, 385, 605, 847, 1795, 2513, 3949, 4235, 12565, 19745, 27643, 43439, 138215, 217195, 304073, 1520365]

約数ペア:

[(1, 1520365), (5, 304073), (7, 217195), (11, 138215), (35, 43439), (55, 27643), (77, 19745), (121, 12565), (359, 4235), (385, 3949), (605, 2513), (847, 1795)]