90687987

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1187}}^1$

素因数の和:1859

約数の個数: 24

約数和(自身を含む): 141405264

約数和(自身を除く): 50717277

約数列:

[1, 3, 9, 13, 39, 117, 653, 1187, 1959, 3561, 5877, 8489, 10683, 15431, 25467, 46293, 76401, 138879, 775111, 2325333, 6975999, 10076443, 30229329, 90687987]

約数ペア:

[(1, 90687987), (3, 30229329), (9, 10076443), (13, 6975999), (39, 2325333), (117, 775111), (653, 138879), (1187, 76401), (1959, 46293), (3561, 25467), (5877, 15431), (8489, 10683)]