81365727

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{1867}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 110585600

約数和(自身を除く): 29219873

約数列:

[1, 3, 73, 199, 219, 597, 1867, 5601, 14527, 43581, 136291, 371533, 408873, 1114599, 27121909, 81365727]

約数ペア:

[(1, 81365727), (3, 27121909), (73, 1114599), (199, 408873), (219, 371533), (597, 136291), (1867, 43581), (5601, 14527)]