25709967

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18671}}^1$

素因数の和:18700

約数の個数: 20

約数和(自身を含む): 40667616

約数和(自身を除く): 14957649

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18671, 56013, 168039, 317407, 504117, 952221, 1512351, 2856663, 8569989, 25709967]

約数ペア:

[(1, 25709967), (3, 8569989), (9, 2856663), (17, 1512351), (27, 952221), (51, 504117), (81, 317407), (153, 168039), (459, 56013), (1377, 18671)]