3129805

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 4322304

約数和(自身を除く): 1192499

約数列:

[1, 5, 7, 35, 223, 401, 1115, 1561, 2005, 2807, 7805, 14035, 89423, 447115, 625961, 3129805]

約数ペア:

[(1, 3129805), (5, 625961), (7, 447115), (35, 89423), (223, 14035), (401, 7805), (1115, 2807), (1561, 2005)]