25239195

素因数分解:

$3^5\times 5^1\times {\mathrm{20773}}^1$

素因数の和:20793

約数の個数: 24

約数和(自身を含む): 45370416

約数和(自身を除く): 20131221

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 20773, 62319, 103865, 186957, 311595, 560871, 934785, 1682613, 2804355, 5047839, 8413065, 25239195]

約数ペア:

[(1, 25239195), (3, 8413065), (5, 5047839), (9, 2804355), (15, 1682613), (27, 934785), (45, 560871), (81, 311595), (135, 186957), (243, 103865), (405, 62319), (1215, 20773)]