71891709

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1\times {\mathrm{829}}^1$

素因数の和:1180

約数の個数: 16

約数和(自身を含む): 97129920

約数和(自身を除く): 25238211

約数列:

[1, 3, 137, 211, 411, 633, 829, 2487, 28907, 86721, 113573, 174919, 340719, 524757, 23963903, 71891709]

約数ペア:

[(1, 71891709), (3, 23963903), (137, 524757), (211, 340719), (411, 174919), (633, 113573), (829, 86721), (2487, 28907)]