31090707

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1609}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 47720400

約数和(自身を除く): 16629693

約数列:

[1, 3, 9, 19, 57, 113, 171, 339, 1017, 1609, 2147, 4827, 6441, 14481, 19323, 30571, 91713, 181817, 275139, 545451, 1636353, 3454523, 10363569, 31090707]

約数ペア:

[(1, 31090707), (3, 10363569), (9, 3454523), (19, 1636353), (57, 545451), (113, 275139), (171, 181817), (339, 91713), (1017, 30571), (1609, 19323), (2147, 14481), (4827, 6441)]