2991429

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 4996992

約数和(自身を除く): 2005563

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 461, 721, 927, 1383, 2163, 3227, 4149, 6489, 9681, 29043, 47483, 142449, 332381, 427347, 997143, 2991429]

約数ペア:

[(1, 2991429), (3, 997143), (7, 427347), (9, 332381), (21, 142449), (63, 47483), (103, 29043), (309, 9681), (461, 6489), (721, 4149), (927, 3227), (1383, 2163)]