25747065

素因数分解:

$3^5\times 5^1\times {\mathrm{21191}}^1$

素因数の和:21211

約数の個数: 24

約数和(自身を含む): 46283328

約数和(自身を除く): 20536263

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21191, 63573, 105955, 190719, 317865, 572157, 953595, 1716471, 2860785, 5149413, 8582355, 25747065]

約数ペア:

[(1, 25747065), (3, 8582355), (5, 5149413), (9, 2860785), (15, 1716471), (27, 953595), (45, 572157), (81, 317865), (135, 190719), (243, 105955), (405, 63573), (1215, 21191)]