165320421

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{25643}}^1$

素因数の和:25960

約数の個数: 16

約数和(自身を含む): 252747264

約数和(自身を除く): 87426843

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 25643, 76929, 179501, 538503, 7872401, 23617203, 55106807, 165320421]

約数ペア:

[(1, 165320421), (3, 55106807), (7, 23617203), (21, 7872401), (307, 538503), (921, 179501), (2149, 76929), (6447, 25643)]