6640431

素因数分解:

$3^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 10396800

約数和(自身を除く): 3756369

約数列:

[1, 3, 7, 21, 49, 147, 199, 227, 597, 681, 1393, 1589, 4179, 4767, 9751, 11123, 29253, 33369, 45173, 135519, 316211, 948633, 2213477, 6640431]

約数ペア:

[(1, 6640431), (3, 2213477), (7, 948633), (21, 316211), (49, 135519), (147, 45173), (199, 33369), (227, 29253), (597, 11123), (681, 9751), (1393, 4767), (1589, 4179)]