25851717

素因数分解:

$3^4\times {\mathrm{179}}^1\times {\mathrm{1783}}^1$

素因数の和:1974

約数の個数: 20

約数和(自身を含む): 38855520

約数和(自身を除く): 13003803

約数列:

[1, 3, 9, 27, 81, 179, 537, 1611, 1783, 4833, 5349, 14499, 16047, 48141, 144423, 319157, 957471, 2872413, 8617239, 25851717]

約数ペア:

[(1, 25851717), (3, 8617239), (9, 2872413), (27, 957471), (81, 319157), (179, 144423), (537, 48141), (1611, 16047), (1783, 14499), (4833, 5349)]