25978617

素因数分解:

$3^3\times 7^1\times {\mathrm{137453}}^1$

素因数の和:137469

約数の個数: 16

約数和(自身を含む): 43985280

約数和(自身を除く): 18006663

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 137453, 412359, 962171, 1237077, 2886513, 3711231, 8659539, 25978617]

約数ペア:

[(1, 25978617), (3, 8659539), (7, 3711231), (9, 2886513), (21, 1237077), (27, 962171), (63, 412359), (189, 137453)]