25705755

素因数分解:

$3^5\times 5^1\times {\mathrm{21157}}^1$

素因数の和:21177

約数の個数: 24

約数和(自身を含む): 46209072

約数和(自身を除く): 20503317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21157, 63471, 105785, 190413, 317355, 571239, 952065, 1713717, 2856195, 5141151, 8568585, 25705755]

約数ペア:

[(1, 25705755), (3, 8568585), (5, 5141151), (9, 2856195), (15, 1713717), (27, 952065), (45, 571239), (81, 317355), (135, 190413), (243, 105785), (405, 63471), (1215, 21157)]