281770083

素因数分解:

$3^4\times 7^1\times {\mathrm{496949}}^1$

素因数の和:496968

約数の個数: 20

約数和(自身を含む): 481047600

約数和(自身を除く): 199277517

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 496949, 1490847, 3478643, 4472541, 10435929, 13417623, 31307787, 40252869, 93923361, 281770083]

約数ペア:

[(1, 281770083), (3, 93923361), (7, 40252869), (9, 31307787), (21, 13417623), (27, 10435929), (63, 4472541), (81, 3478643), (189, 1490847), (567, 496949)]