81651647

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{96401}}^1$

素因数の和:96430

約数の個数: 12

約数和(自身を含む): 102571728

約数和(自身を除く): 20920081

約数列:

[1, 7, 11, 77, 121, 847, 96401, 674807, 1060411, 7422877, 11664521, 81651647]

約数ペア:

[(1, 81651647), (7, 11664521), (11, 7422877), (77, 1060411), (121, 674807), (847, 96401)]