87804981

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{80629}}^1$

素因数の和:80657

約数の個数: 18

約数和(自身を含む): 139409270

約数和(自身を除く): 51604289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 80629, 241887, 725661, 886919, 2660757, 7982271, 9756109, 29268327, 87804981]

約数ペア:

[(1, 87804981), (3, 29268327), (9, 9756109), (11, 7982271), (33, 2660757), (99, 886919), (121, 725661), (363, 241887), (1089, 80629)]