18157743

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4027}}^1$

素因数の和:4203

約数の個数: 16

約数和(自身を含む): 27068160

約数和(自身を除く): 8910417

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4027, 4509, 12081, 36243, 108729, 672509, 2017527, 6052581, 18157743]

約数ペア:

[(1, 18157743), (3, 6052581), (9, 2017527), (27, 672509), (167, 108729), (501, 36243), (1503, 12081), (4027, 4509)]