163947

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 257792

約数和(自身を除く): 93845

約数列:

[1, 3, 7, 21, 37, 111, 211, 259, 633, 777, 1477, 4431, 7807, 23421, 54649, 163947]

約数ペア:

[(1, 163947), (3, 54649), (7, 23421), (21, 7807), (37, 4431), (111, 1477), (211, 777), (259, 633)]