210913605

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{727}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 430510080

約数和(自身を除く): 219596475

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 307, 315, 727, 921, 945, 1535, 2149, 2181, 2763, 3635, 4605, 5089, 6447, 6543, 8289, 10745, 10905, 13815, 15267, 19341, 19629, 25445, 32235, 32715, 41445, 45801, 58023, 76335, 96705, 98145, 137403, 223189, 229005, 290115, 669567, 687015, 1115945, 1562323, 2008701, 3347835, 4686969, 6026103, 7811615, 10043505, 14060907, 23434845, 30130515, 42182721, 70304535, 210913605]

約数ペア:

[(1, 210913605), (3, 70304535), (5, 42182721), (7, 30130515), (9, 23434845), (15, 14060907), (21, 10043505), (27, 7811615), (35, 6026103), (45, 4686969), (63, 3347835), (105, 2008701), (135, 1562323), (189, 1115945), (307, 687015), (315, 669567), (727, 290115), (921, 229005), (945, 223189), (1535, 137403), (2149, 98145), (2181, 96705), (2763, 76335), (3635, 58023), (4605, 45801), (5089, 41445), (6447, 32715), (6543, 32235), (8289, 25445), (10745, 19629), (10905, 19341), (13815, 15267)]