1680856569

素因数分解:

$3^3\times 7^1\times {\mathrm{8893421}}^1$

素因数の和:8893437

約数の個数: 16

約数和(自身を含む): 2845895040

約数和(自身を除く): 1165038471

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 8893421, 26680263, 62253947, 80040789, 186761841, 240122367, 560285523, 1680856569]

約数ペア:

[(1, 1680856569), (3, 560285523), (7, 240122367), (9, 186761841), (21, 80040789), (27, 62253947), (63, 26680263), (189, 8893421)]