1390787487

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{4176539}}^1$

素因数の和:4176582

約数の個数: 12

約数和(自身を含む): 2063210760

約数和(自身を除く): 672423273

約数列:

[1, 3, 9, 37, 111, 333, 4176539, 12529617, 37588851, 154531943, 463595829, 1390787487]

約数ペア:

[(1, 1390787487), (3, 463595829), (9, 154531943), (37, 37588851), (111, 12529617), (333, 4176539)]