25806195

素因数分解:

$3^4\times 5^1\times {\mathrm{63719}}^1$

素因数の和:63736

約数の個数: 20

約数和(自身を含む): 46260720

約数和(自身を除く): 20454525

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63719, 191157, 318595, 573471, 955785, 1720413, 2867355, 5161239, 8602065, 25806195]

約数ペア:

[(1, 25806195), (3, 8602065), (5, 5161239), (9, 2867355), (15, 1720413), (27, 955785), (45, 573471), (81, 318595), (135, 191157), (405, 63719)]