420684033

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{17681}}^1$

素因数の和:17805

約数の個数: 32

約数和(自身を含む): 706148352

約数和(自身を除く): 285464319

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 17681, 23793, 53043, 123767, 194491, 371301, 583473, 1361437, 1821143, 4084311, 5463429, 12748001, 20032573, 38244003, 60097719, 140228011, 420684033]

約数ペア:

[(1, 420684033), (3, 140228011), (7, 60097719), (11, 38244003), (21, 20032573), (33, 12748001), (77, 5463429), (103, 4084311), (231, 1821143), (309, 1361437), (721, 583473), (1133, 371301), (2163, 194491), (3399, 123767), (7931, 53043), (17681, 23793)]