2971307521

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{4664533}}^1$

素因数の和:4664560

約数の個数: 12

約数和(自身を含む): 3722298132

約数和(自身を除く): 750990611

約数列:

[1, 7, 13, 49, 91, 637, 4664533, 32651731, 60638929, 228562117, 424472503, 2971307521]

約数ペア:

[(1, 2971307521), (7, 424472503), (13, 228562117), (49, 60638929), (91, 32651731), (637, 4664533)]