81886563

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1\times {\mathrm{1051}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 129320256

約数和(自身を除く): 47433693

約数列:

[1, 3, 9, 11, 33, 99, 787, 1051, 2361, 3153, 7083, 8657, 9459, 11561, 25971, 34683, 77913, 104049, 827137, 2481411, 7444233, 9098507, 27295521, 81886563]

約数ペア:

[(1, 81886563), (3, 27295521), (9, 9098507), (11, 7444233), (33, 2481411), (99, 827137), (787, 104049), (1051, 77913), (2361, 34683), (3153, 25971), (7083, 11561), (8657, 9459)]