81405933

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73141}}^1$

素因数の和:73204

約数の個数: 16

約数和(自身を含む): 126389376

約数和(自身を除く): 44983443

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 73141, 219423, 511987, 1535961, 3876473, 11629419, 27135311, 81405933]

約数ペア:

[(1, 81405933), (3, 27135311), (7, 11629419), (21, 3876473), (53, 1535961), (159, 511987), (371, 219423), (1113, 73141)]