81191766

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{190591}}^1$

素因数の和:190667

約数の個数: 16

約数和(自身を含む): 164671488

約数和(自身を除く): 83479722

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 190591, 381182, 571773, 1143546, 13531961, 27063922, 40595883, 81191766]

約数ペア:

[(1, 81191766), (2, 40595883), (3, 27063922), (6, 13531961), (71, 1143546), (142, 571773), (213, 381182), (426, 190591)]