12971525

素因数分解:

$5^2\times 7^2\times {\mathrm{10589}}^1$

素因数の和:10613

約数の個数: 18

約数和(自身を含む): 18712530

約数和(自身を除く): 5741005

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 10589, 52945, 74123, 264725, 370615, 518861, 1853075, 2594305, 12971525]

約数ペア:

[(1, 12971525), (5, 2594305), (7, 1853075), (25, 518861), (35, 370615), (49, 264725), (175, 74123), (245, 52945), (1225, 10589)]