15640331

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:538

約数の個数: 16

約数和(自身を含む): 18441216

約数和(自身を除く): 2800885

約数列:

[1, 7, 47, 137, 329, 347, 959, 2429, 6439, 16309, 45073, 47539, 114163, 332773, 2234333, 15640331]

約数ペア:

[(1, 15640331), (7, 2234333), (47, 332773), (137, 114163), (329, 47539), (347, 45073), (959, 16309), (2429, 6439)]