871876239

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{20719}}^1$

素因数の和:20831

約数の個数: 24

約数和(自身を含む): 1274031360

約数和(自身を除く): 402155121

約数列:

[1, 3, 13, 39, 83, 169, 249, 507, 1079, 3237, 14027, 20719, 42081, 62157, 269347, 808041, 1719677, 3501511, 5159031, 10504533, 22355801, 67067403, 290625413, 871876239]

約数ペア:

[(1, 871876239), (3, 290625413), (13, 67067403), (39, 22355801), (83, 10504533), (169, 5159031), (249, 3501511), (507, 1719677), (1079, 808041), (3237, 269347), (14027, 62157), (20719, 42081)]