3986947839

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5131207}}^1$

素因数の和:5131254

約数の個数: 16

約数和(自身を含む): 6239548928

約数和(自身を除く): 2252601089

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 5131207, 15393621, 35918449, 107755347, 189854659, 569563977, 1328982613, 3986947839]

約数ペア:

[(1, 3986947839), (3, 1328982613), (7, 569563977), (21, 189854659), (37, 107755347), (111, 35918449), (259, 15393621), (777, 5131207)]