81066139

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{150401}}^1$

素因数の和:150426

約数の個数: 12

約数和(自身を含む): 102874968

約数和(自身を除く): 21808829

約数列:

[1, 7, 11, 49, 77, 539, 150401, 1052807, 1654411, 7369649, 11580877, 81066139]

約数ペア:

[(1, 81066139), (7, 11580877), (11, 7369649), (49, 1654411), (77, 1052807), (539, 150401)]