25839981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 39611520

約数和(自身を除く): 13771539

約数列:

[1, 3, 9, 19, 57, 137, 171, 411, 1103, 1233, 2603, 3309, 7809, 9927, 20957, 23427, 62871, 151111, 188613, 453333, 1359999, 2871109, 8613327, 25839981]

約数ペア:

[(1, 25839981), (3, 8613327), (9, 2871109), (19, 1359999), (57, 453333), (137, 188613), (171, 151111), (411, 62871), (1103, 23427), (1233, 20957), (2603, 9927), (3309, 7809)]