81315143

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{38851}}^1$

素因数の和:38894

約数の個数: 16

約数和(自身を含む): 104434176

約数和(自身を除く): 23119033

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 38851, 271957, 505063, 893573, 3535441, 6255011, 11616449, 81315143]

約数ペア:

[(1, 81315143), (7, 11616449), (13, 6255011), (23, 3535441), (91, 893573), (161, 505063), (299, 271957), (2093, 38851)]