2581075

素因数分解:

$5^2\times 7^4\times {\mathrm{43}}^1$

素因数の和:81

約数の個数: 30

約数和(自身を含む): 3820564

約数和(自身を除く): 1239489

約数列:

[1, 5, 7, 25, 35, 43, 49, 175, 215, 245, 301, 343, 1075, 1225, 1505, 1715, 2107, 2401, 7525, 8575, 10535, 12005, 14749, 52675, 60025, 73745, 103243, 368725, 516215, 2581075]

約数ペア:

[(1, 2581075), (5, 516215), (7, 368725), (25, 103243), (35, 73745), (43, 60025), (49, 52675), (175, 14749), (215, 12005), (245, 10535), (301, 8575), (343, 7525), (1075, 2401), (1225, 2107), (1505, 1715)]