165780921

素因数分解:

$3^1\times {\mathrm{307}}^1\times {\mathrm{180001}}^1$

素因数の和:180311

約数の個数: 8

約数和(自身を含む): 221762464

約数和(自身を除く): 55981543

約数列:

[1, 3, 307, 921, 180001, 540003, 55260307, 165780921]

約数ペア:

[(1, 165780921), (3, 55260307), (307, 540003), (921, 180001)]