19711215

素因数分解:

$3^3\times 5^1\times {\mathrm{146009}}^1$

素因数の和:146023

約数の個数: 16

約数和(自身を含む): 35042400

約数和(自身を除く): 15331185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 146009, 438027, 730045, 1314081, 2190135, 3942243, 6570405, 19711215]

約数ペア:

[(1, 19711215), (3, 6570405), (5, 3942243), (9, 2190135), (15, 1314081), (27, 730045), (45, 438027), (135, 146009)]