31420623

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42403}}^1$

素因数の和:42438

約数の個数: 16

約数和(自身を含む): 47492480

約数和(自身を除く): 16071857

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 42403, 127209, 551239, 805657, 1653717, 2416971, 10473541, 31420623]

約数ペア:

[(1, 31420623), (3, 10473541), (13, 2416971), (19, 1653717), (39, 805657), (57, 551239), (247, 127209), (741, 42403)]