81851641

素因数分解:

${\mathrm{23}}^2\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:836

約数の個数: 12

約数和(自身を含む): 86002560

約数和(自身を除く): 4150919

約数列:

[1, 23, 359, 431, 529, 8257, 9913, 154729, 189911, 227999, 3558767, 81851641]

約数ペア:

[(1, 81851641), (23, 3558767), (359, 227999), (431, 189911), (529, 154729), (8257, 9913)]