839979

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 1414400

約数和(自身を除く): 574421

約数列:

[1, 3, 7, 9, 21, 63, 67, 199, 201, 469, 597, 603, 1393, 1407, 1791, 4179, 4221, 12537, 13333, 39999, 93331, 119997, 279993, 839979]

約数ペア:

[(1, 839979), (3, 279993), (7, 119997), (9, 93331), (21, 39999), (63, 13333), (67, 12537), (199, 4221), (201, 4179), (469, 1791), (597, 1407), (603, 1393)]