1285686531

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{15359}}^1$

素因数の和:15567

約数の個数: 24

約数和(自身を含む): 1897758720

約数和(自身を除く): 612072189

約数列:

[1, 3, 9, 71, 131, 213, 393, 639, 1179, 9301, 15359, 27903, 46077, 83709, 138231, 1090489, 2012029, 3271467, 6036087, 9814401, 18108261, 142854059, 428562177, 1285686531]

約数ペア:

[(1, 1285686531), (3, 428562177), (9, 142854059), (71, 18108261), (131, 9814401), (213, 6036087), (393, 3271467), (639, 2012029), (1179, 1090489), (9301, 138231), (15359, 83709), (27903, 46077)]