81121329

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1151}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 120766464

約数和(自身を除く): 39645135

約数列:

[1, 3, 9, 41, 123, 191, 369, 573, 1151, 1719, 3453, 7831, 10359, 23493, 47191, 70479, 141573, 219841, 424719, 659523, 1978569, 9013481, 27040443, 81121329]

約数ペア:

[(1, 81121329), (3, 27040443), (9, 9013481), (41, 1978569), (123, 659523), (191, 424719), (369, 219841), (573, 141573), (1151, 70479), (1719, 47191), (3453, 23493), (7831, 10359)]