2178027

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 24

約数和(自身を含む): 3394560

約数和(自身を除く): 1216533

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 271, 423, 813, 893, 2439, 2679, 5149, 8037, 12737, 15447, 38211, 46341, 114633, 242003, 726009, 2178027]

約数ペア:

[(1, 2178027), (3, 726009), (9, 242003), (19, 114633), (47, 46341), (57, 38211), (141, 15447), (171, 12737), (271, 8037), (423, 5149), (813, 2679), (893, 2439)]