12973009

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 15232000

約数和(自身を除く): 2258991

約数列:

[1, 7, 67, 139, 199, 469, 973, 1393, 9313, 13333, 27661, 65191, 93331, 193627, 1853287, 12973009]

約数ペア:

[(1, 12973009), (7, 1853287), (67, 193627), (139, 93331), (199, 65191), (469, 27661), (973, 13333), (1393, 9313)]