25147521

素因数分解:

$3^2\times 7^1\times {\mathrm{563}}^1\times {\mathrm{709}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 41645760

約数和(自身を除く): 16498239

約数列:

[1, 3, 7, 9, 21, 63, 563, 709, 1689, 2127, 3941, 4963, 5067, 6381, 11823, 14889, 35469, 44667, 399167, 1197501, 2794169, 3592503, 8382507, 25147521]

約数ペア:

[(1, 25147521), (3, 8382507), (7, 3592503), (9, 2794169), (21, 1197501), (63, 399167), (563, 44667), (709, 35469), (1689, 14889), (2127, 11823), (3941, 6381), (4963, 5067)]