81393455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113837}}^1$

素因数の和:113866

約数の個数: 16

約数和(自身を含む): 114748704

約数和(自身を除く): 33355249

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 113837, 569185, 1252207, 1479881, 6261035, 7399405, 16278691, 81393455]

約数ペア:

[(1, 81393455), (5, 16278691), (11, 7399405), (13, 6261035), (55, 1479881), (65, 1252207), (143, 569185), (715, 113837)]