81236898

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{5431}}^1$

素因数の和:5719

約数の個数: 32

約数和(自身を含む): 181211520

約数和(自身を除く): 99974622

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1662, 2493, 4986, 5431, 7479, 10862, 14958, 16293, 32586, 48879, 97758, 146637, 293274, 1504387, 3008774, 4513161, 9026322, 13539483, 27078966, 40618449, 81236898]

約数ペア:

[(1, 81236898), (2, 40618449), (3, 27078966), (6, 13539483), (9, 9026322), (18, 4513161), (27, 3008774), (54, 1504387), (277, 293274), (554, 146637), (831, 97758), (1662, 48879), (2493, 32586), (4986, 16293), (5431, 14958), (7479, 10862)]