167989689

素因数分解:

$3^2\times 7^2\times {\mathrm{380929}}^1$

素因数の和:380949

約数の個数: 18

約数和(自身を含む): 282269130

約数和(自身を除く): 114279441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 380929, 1142787, 2666503, 3428361, 7999509, 18665521, 23998527, 55996563, 167989689]

約数ペア:

[(1, 167989689), (3, 55996563), (7, 23998527), (9, 18665521), (21, 7999509), (49, 3428361), (63, 2666503), (147, 1142787), (441, 380929)]